About PCalc Lite
PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts,...
PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.PCalc Lite is a fully functional and free taste of our very popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design. A great choice for your new iPad! If you like what you see, the full version has many more settings and themes, a paper tape, engineering and scientific notation, and full support for hexadecimal, octal, and binary calculations. You can also now purchase extra features directly from inside PCalc Lite. Buy them individually, or buy everything. Includes an Apple Watch app, so you can calculate on your wrist!
Version History Menus are more consistent with the macOS version. Fixed a problem speaking negative numbers. Fixed a problem displaying overflows. With the "Power User Pack" installed: Added an option to use woodworking fractions, in the Advanced settings. Added an option to use the Indian numbering system for thousands separators, in the Advanced settings. Added an option to ignore trailing operators, on by default, in the Advanced settings. Added an option to automatically press Equals before "M+" and "M in" operations, on by default, in the Advanced settings. The "Clear on Open" option will now only trigger if you haven't used PCalc in the last five minutes. With the "Theme Pack" installed: Added an option to allow all themes for dark or light mode, in the Theme settings. Added an option to hide any gloss effects on the display, in the Theme settings. The user interface mode setting is now independent of the theme mode setting. Fixed a problem with the user interface dark mode settings. With the "Conversion Pack" installed: Added "Flow Rate", "Jewelry", and "Typography" sections to the conversions. Added "tau" to the constants. You can now use combinations and permutations in user functions and conversions. Now show a preview image when picking an SF Symbol. With the "Engineer Pack" or "Programmer Pack" installed: Added "norm", "sci", "eng", "acc", "frac", "nCr", "nPr", and "tau" buttons to the layout editor. Added "tau" as a 2nd function of "pi" in most layouts. Improved the layout editor with all the commands and keyboard shortcuts from the macOS version. You can now edit buttons to display any SF Symbol as an image. 3.14.4 Mar 12 Improved support for iOS 26, iPadOS 26, and watchOS 26. With the "Engineer Pack" or "Programmer Pack" installed: Fixed a problem importing settings and other files on iPadOS 26. Fixed a problem with the editing toolbar on iOS / iPadOS 26. Fixed a crash when starting to edit a layout on iOS / iPadOS 26. With the "Conversion Pack" installed: Fixed a crash when starting to edit constants. With the "Theme Pack" installed: Fixed a crash with certain custom tint colors. 3.14.3 10/24/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26. Added some icons that are always light or dark, regardless of system setting. Added dark and tinted variants for the "2016 Earth-2" icon. The "Chalk" and "Wood" icons have come back, due to popular demand. Fixed a problem with the tape sidebar not appearing. Fixed a problem with button text being too small or too big. 3.14.2 09/28/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26. The "Circuit" icon has come back, due to popular demand. Added a Control Center button to quickly launch the app on watchOS 26 and later. Now copy the old tint color from the "Dark Night" theme to "Dathomir" by default. Fixed a problem forgetting the chosen layout. Fixed a problem with the "Dathomir" theme in RPN mode. Fixed a problem always resetting the dark theme to "Dathomir". Fixed a problem with the "New Calculator" button getting truncated. 3.14.1 09/19/2025 Added support for iOS 26, including dark and tinted icons. Added support for iPadOS 26, including resizable windows and a full menu bar. Added support for watchOS 26, including the latest watches and new complications. Added a Control Center button to quickly launch the app on iOS 18 and later. Added an "exp" button to the Apple Watch app. Updated the scientific constants to include the latest CODATA 2022 values. Most keyboard shortcuts from the Mac version now work on iOS / iPadOS 26. Fixed various bugs. PCalc for the Apple Watch now requires watchOS 9 or later. PCalc now requires iOS / iPadOS 15 or later. Apple removed all the old-style widgets in iOS 18, so PCalc's widget is currently unavailable. 3.14 09/12/2025 Fixed a crash in the settings if you were using the 2013 app icons on iOS 17. 3.13.1 09/17/2023 Added support for iOS 17 and watchOS 10. Pressing "C" twice in a row will now perform an "AC", regardless of the layout. Fixed a problem with the operator highlight being incorrectly cleared after pressing "C". Fixed a crash when switching between calculators. Fixed a crash opening the help sections on narrow phones. Fixed a problem with the button layout on watchOS 10. PCalc for the Apple Watch now requires watchOS 7 or later. PCalc now requires iOS 14 or later. With the "Engineer Pack" or "Programmer Pack" installed: Now display the name of the current layout in the layout editing alert. With the "Theme Pack" installed: Improved the look of the themes with a custom display background color. 3.13 09/15/2023 Added a new alternative icon, "Howell". Fixed a problem with the tape not remembering it was open on an iPad. Fixed a problem with some of the alternative icons. Fixed a problem with incorrect theme colors. Fixed a problem with incorrect labels in the settings. Fixed a problem with key clicks in the widget. Fixed a problem communicating with the "About by PCalc" app. With the "Conversion Pack" installed: User functions and conversions can now call other functions and conversions. Within reason! Let's not get too recursive here. You can now reference constants within user functions and conversions. Added a button to the conversions to manually update the currency rates. Fixed a problem editing certain functions and conversions. With the "Power User Pack" installed: Added an option to blink the display if it is updated with an identical value. 3.12.2 03/09/2023 Added support for iPadOS 16, including Stage Manager. Added support for multiple windows on iPad. Improved theme drawing performance. Fixed a problem with the recent conversion text getting too small with long unit names. Fixed a problem with the "Round to Floor" and "Round to Ceiling" user function commands with negative numbers. Fixed a problem with the "Modulo" function with negative numbers. Fixed a crash when clearing a memory from the contextual menu. With the "Power User Pack" installed: Added a new per-calculator rotation lock option for iPhones on iOS 16. With the "Conversion Pack" installed: Added an "EV Efficiency" section to the conversions. Fixed an ambiguity when displaying some currency symbols like Yen and Yuan. Fixed some cosmetic problems with the user functions and conversions editor. Fixed a problem editing the name and images for custom function, conversion, and constant categories. With the "Engineer Pack" or "Programmer Pack" installed: Now interpret text starting with "0x", "0o", or "0b" as hex, octal, and binary numbers. Improved handling of button selection in the layout editor. Fixed a crash when adding or duplicating a layout on iPad. 3.12.1 10/19/2022 Added support for iOS 16. Added support for watchOS 9, including the Apple Watch Ultra. Improved support for Dynamic Type throughout the app. PCalc now requires iOS 13 or later. With the "Theme Pack" installed: You can now choose custom theme tint, digit, and display colours. Added an option to choose if the user interface is light or dark. Improved the "Theme" section of the settings. Fixed a problem with controls in the Tape and Registers sections not being readable in some themes. With the "Power User Pack" installed: You can now have multiple calculators, each with a separate setup. You can open the app and switch to a specific calculator using a URL of the form pcalc://calculator/name. Added an option to the layout sections to choose between the different types of layout. Fixed a problem tapping the display mode indicator to quickly change modes. 3.12 09/10/2022 Fixed a problem with missing layouts on iPhone. 3.11.4 07/22/2022 Improved the appearance of the app. Added menu commands for copying and pasting numbers with U.S. formatting. Changed the display of numbers between 0.1 and 1.0 to be more consistent in Engineering mode. iCloud syncing of user data is now switched on again by default if you are running iOS 15.5 or later. Key clicks are now switched off by default because they were causing the interface to lag occasionally. Fixed a problem with the watch complication icons. Fixed a problem with messages about pasting from other apps when dragging registers about. Fixed a problem with operator button selection being lost after putting the app into the background. Fixed a problem with the functions popup not opening on iPad. Fixed a problem with the conversion actions in Shortcuts when set to "Ask each time". With the "Conversion Pack" installed: You can now set images for the categories of custom functions, conversions, and constants. With the "Theme Pack" installed: Added a new digit style, "Matrix". 3.11.3 07/20/2022 Moved the About screen to a standalone app called "About by PCalc". If you have the app installed, selecting "About PCalc" in the Help section will work exactly as before. 3.11.2 03/29/2022 Due to ongoing iCloud problems, iCloud syncing of user data and layouts has been switched off by default. You can still manually export and import to sync. We will switch this back on when Apple fixes things. Added four new alternative icons, "Ocean", "Jasper", "Salem", and "Quasar". About screen now runs at 120Hz on suitable hardware. Fixed a problem with too many messages about pasting from other apps. Fixed a problem with the ticker tape vanishing when turned upside-down. Fixed a problem importing settings and keyboard shortcuts. Fixed a crash when pasting into the app. Fixed a crash when rapidly tapping toolbar buttons. 3.11.1 12/15/2021 Added support for iOS and iPadOS 15. Added support for watchOS 8. Added the ability to link calculations to notes via Quick Note on iPadOS 15. Fixed a number of icon problems. Fixed a crash when rotating the device. PCalc now requires iOS 12.1 or later. With the "Power User Pack" installed: Fixed a problem with the "Use B&W Icons" option for the Apple Watch resetting. With the "Conversion Pack" installed: You can now use explicit "floor" and "ceiling" rounding in user functions and conversions. Fixed a problem creating custom functions, conversions, and constants after resetting iCloud data. With the "Engineer Pack" or "Programmer Pack" installed: Fixed a crash with the Registers popup on iPad. Fixed a crash when editing layouts on another device. 3.11 09/18/2021 Fixed a problem performing conversions via Siri Shortcuts. 3.10.5 03/10/2021 Fixed a problem with the toolbars being too high at the bottom of the functions, conversions, and constants sections on iOS 14.4. Fixed a problem resetting user data in iCloud. Fixed a crash when clearing registers with the contextual menu. Fixed a crash when dragging registers. Fixed a crash when closing the App Store section for "Dice by PCalc". With the "Engineer Pack" or "Programmer Pack" installed: You can now set the C / AC behaviour of a button in the layout editor. 3.10.4 03/09/2021 Switches off click sounds if you're using bluetooth audio, to work around a button lag problem on iOS 14. 3.10.3 02/05/2021 Behebung eines Fehlers beim App-Start auf iOS 14 und iPadOS 14. Behebung eines Fehlers beim schnellen Tippen auf Symbolleisten-Tasten unter iPadOS 14. Mit installiertem „Theme Pack“: Einige neue Ziffernstile. 3.10.2 10/06/2020 Fixed a problem with slow startup on iOS and iPadOS 14. Fixed a problem throwing bananas in the About screen on iOS 14, iPadOS 14, and watchOS 7 (yes, really). 3.10.1 09/17/2020 Added support for iOS and iPadOS 14. Added support for watchOS 7. Improved the hardware keyboard support on iOS 13.4 or later - all default keyboard shortcuts from the Mac version are now available. You can now press any of the keyboard shortcuts for "Clear" twice to perform an AC. You can now access all ten memories via Siri Shortcuts. Fixed a problem running Siri Shortcuts. Fixed a problem syncing tips across devices via iCloud. Fixed a problem accessing the tap-and-hold shortcuts in the Apple Watch app on watchOS 7. Tap-and-hold the C/AC button in the Apple Watch app to do an MC. Added a new alternative icon, "Chapman". Added WASD support to the About screen. With the "Engineer Pack" or "Programmer Pack" installed: Fixed a problem creating custom buttons that open a URL. With the "Power User Pack" installed: You can now import custom keyboard shortcut definition files from the Mac version. Added a button to the settings to reload user data from iCloud. 3.10 09/16/2020 Added the "Hackett Number" to constants. Fixed a crash when trying to purchase the full version. Various bug fixes. 3.9.5 04/25/2020 Fixed a problem reading the display with VoiceOver in the Apple Watch app. Fixed a crash when bringing up contextual menus for display labels on iOS 13. With the "Power User Pack" installed: Added an option for left aligning the main register while editing. The option for showing a cursor while editing now works in the widget. With the "Multiple Line Pack" installed: Added a cancel button when picking memory registers in the Apple Watch app. With the "Engineering Pack" or "Programming Pack" installed: Fixed a crash when tapping the share button for the tape or registers on an iPad on iOS 13. 3.9.4 02/05/2020 Added contextual menus for the display on iOS 13. Added a new alternative icon, "Cheri". With the "Power User Pack" installed: Added an option for the widget to use an advanced layout with many more functions. Added copy and paste as ASCII/UTF-8/UTF-16/UTF-32 to the contextual menus on iOS 13. Added a "Haptic Touch" section to the settings on iOS 13, to configure the app icon menu. With the "Multiple Line Pack" installed: Added options to the display settings to turn off contextual menus and drag and drop. With the "Conversion Pack" installed: Fixed a problem with user constants not syncing to the Apple Watch app. Fixed a problem with some of the 3D/Haptic touch commands not working. Fixed a problem with dragging between display lines in dark mode on iOS 13. 3.9.3 11/20/2019 Fixed a problem with blank keys in the Apple Watch app when running on watchOS 4. Fixed a problem with PCalc accessing the clipboard when running functions and conversions. 3.9.2 09/20/2019
Previous Versions
Here you can find the changelog of PCalc Lite since it was posted on our website on 2016-10-01 10:46:29.
The latest version is 3.14.4 and it was updated on 2026-10-10 11:01:54. See below the changes in each version.
PCalc Lite version 3.14.4
Updated At: 2026-10-08
Changes: Version History Menus are more consistent with the macOS version.
Fixed a problem speaking negative numbers.
Fixed a problem displaying overflows.
With the "Power User Pack" installed:
Added an option to use woodworking fractions, in the Advanced settings.
Added an option to use the Indian numbering system for thousands separators, in the Advanced settings.
Added an option to ignore trailing operators, on by default, in the Advanced settings.
Added an option to automatically press Equals before "M+" and "M in" operations, on by default, in the Advanced settings.
The "Clear on Open" option will now only trigger if you haven't used PCalc in the last five minutes.
With the "Theme Pack" installed:
Added an option to allow all themes for dark or light mode, in the Theme settings.
Added an option to hide any gloss effects on the display, in the Theme settings.
The user interface mode setting is now independent of the theme mode setting.
Fixed a problem with the user interface dark mode settings.
With the "Conversion Pack" installed:
Added "Flow Rate", "Jewelry", and "Typography" sections to the conversions.
Added "tau" to the constants.
You can now use combinations and permutations in user functions and conversions.
Now show a preview image when picking an SF Symbol.
With the "Engineer Pack" or "Programmer Pack" installed:
Added "norm", "sci", "eng", "acc", "frac", "nCr", "nPr", and "tau" buttons to the layout editor.
Added "tau" as a 2nd function of "pi" in most layouts.
Improved the layout editor with all the commands and keyboard shortcuts from the macOS version.
You can now edit buttons to display any SF Symbol as an image. 3.14.4 Mar 12 Improved support for iOS 26, iPadOS 26, and watchOS 26.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem importing settings and other files on iPadOS 26.
Fixed a problem with the editing toolbar on iOS / iPadOS 26.
Fixed a crash when starting to edit a layout on iOS / iPadOS 26.
With the "Conversion Pack" installed:
Fixed a crash when starting to edit constants.
With the "Theme Pack" installed:
Fixed a crash with certain custom tint colors. 3.14.3 10/24/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26.
Added some icons that are always light or dark, regardless of system setting.
Added dark and tinted variants for the "2016 Earth-2" icon.
The "Chalk" and "Wood" icons have come back, due to popular demand.
Fixed a problem with the tape sidebar not appearing.
Fixed a problem with button text being too small or too big. 3.14.2 09/28/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26.
The "Circuit" icon has come back, due to popular demand.
Added a Control Center button to quickly launch the app on watchOS 26 and later.
Now copy the old tint color from the "Dark Night" theme to "Dathomir" by default.
Fixed a problem forgetting the chosen layout.
Fixed a problem with the "Dathomir" theme in RPN mode.
Fixed a problem always resetting the dark theme to "Dathomir".
Fixed a problem with the "New Calculator" button getting truncated. 3.14.1 09/19/2025 Added support for iOS 26, including dark and tinted icons.
Added support for iPadOS 26, including resizable windows and a full menu bar.
Added support for watchOS 26, including the latest watches and new complications.
Added a Control Center button to quickly launch the app on iOS 18 and later.
Added an "exp" button to the Apple Watch app.
Updated the scientific constants to include the latest CODATA 2022 values.
Most keyboard shortcuts from the Mac version now work on iOS / iPadOS 26.
Fixed various bugs.
PCalc for the Apple Watch now requires watchOS 9 or later.
PCalc now requires iOS / iPadOS 15 or later.
Apple removed all the old-style widgets in iOS 18, so PCalc's widget is currently unavailable. 3.14 09/12/2025 Fixed a crash in the settings if you were using the 2013 app icons on iOS 17. 3.13.1 09/17/2023 Added support for iOS 17 and watchOS 10.
Pressing "C" twice in a row will now perform an "AC", regardless of the layout.
Fixed a problem with the operator highlight being incorrectly cleared after pressing "C".
Fixed a crash when switching between calculators.
Fixed a crash opening the help sections on narrow phones.
Fixed a problem with the button layout on watchOS 10.
PCalc for the Apple Watch now requires watchOS 7 or later.
PCalc now requires iOS 14 or later.
With the "Engineer Pack" or "Programmer Pack" installed:
Now display the name of the current layout in the layout editing alert.
With the "Theme Pack" installed:
Improved the look of the themes with a custom display background color. 3.13 09/15/2023 Added a new alternative icon, "Howell".
Fixed a problem with the tape not remembering it was open on an iPad.
Fixed a problem with some of the alternative icons.
Fixed a problem with incorrect theme colors.
Fixed a problem with incorrect labels in the settings.
Fixed a problem with key clicks in the widget.
Fixed a problem communicating with the "About by PCalc" app.
With the "Conversion Pack" installed:
User functions and conversions can now call other functions and conversions. Within reason! Let's not get too recursive here.
You can now reference constants within user functions and conversions.
Added a button to the conversions to manually update the currency rates.
Fixed a problem editing certain functions and conversions.
With the "Power User Pack" installed:
Added an option to blink the display if it is updated with an identical value. 3.12.2 03/09/2023 Added support for iPadOS 16, including Stage Manager.
Added support for multiple windows on iPad.
Improved theme drawing performance.
Fixed a problem with the recent conversion text getting too small with long unit names.
Fixed a problem with the "Round to Floor" and "Round to Ceiling" user function commands with negative numbers.
Fixed a problem with the "Modulo" function with negative numbers.
Fixed a crash when clearing a memory from the contextual menu.
With the "Power User Pack" installed:
Added a new per-calculator rotation lock option for iPhones on iOS 16.
With the "Conversion Pack" installed:
Added an "EV Efficiency" section to the conversions.
Fixed an ambiguity when displaying some currency symbols like Yen and Yuan.
Fixed some cosmetic problems with the user functions and conversions editor.
Fixed a problem editing the name and images for custom function, conversion, and constant categories.
With the "Engineer Pack" or "Programmer Pack" installed:
Now interpret text starting with "0x", "0o", or "0b" as hex, octal, and binary numbers.
Improved handling of button selection in the layout editor.
Fixed a crash when adding or duplicating a layout on iPad. 3.12.1 10/19/2022 Added support for iOS 16.
Added support for watchOS 9, including the Apple Watch Ultra.
Improved support for Dynamic Type throughout the app.
PCalc now requires iOS 13 or later.
With the "Theme Pack" installed:
You can now choose custom theme tint, digit, and display colours.
Added an option to choose if the user interface is light or dark.
Improved the "Theme" section of the settings.
Fixed a problem with controls in the Tape and Registers sections not being readable in some themes.
With the "Power User Pack" installed:
You can now have multiple calculators, each with a separate setup.
You can open the app and switch to a specific calculator using a URL of the form pcalc://calculator/name.
Added an option to the layout sections to choose between the different types of layout.
Fixed a problem tapping the display mode indicator to quickly change modes. 3.12 09/10/2022 Fixed a problem with missing layouts on iPhone. 3.11.4 07/22/2022 Improved the appearance of the app.
Added menu commands for copying and pasting numbers with U.S. formatting.
Changed the display of numbers between 0.1 and 1.0 to be more consistent in Engineering mode.
iCloud syncing of user data is now switched on again by default if you are running iOS 15.5 or later.
Key clicks are now switched off by default because they were causing the interface to lag occasionally.
Fixed a problem with the watch complication icons.
Fixed a problem with messages about pasting from other apps when dragging registers about.
Fixed a problem with operator button selection being lost after putting the app into the background.
Fixed a problem with the functions popup not opening on iPad.
Fixed a problem with the conversion actions in Shortcuts when set to "Ask each time".
With the "Conversion Pack" installed:
You can now set images for the categories of custom functions, conversions, and constants.
With the "Theme Pack" installed:
Added a new digit style, "Matrix". 3.11.3 07/20/2022 Moved the About screen to a standalone app called "About by PCalc".
If you have the app installed, selecting "About PCalc" in the Help section will work exactly as before. 3.11.2 03/29/2022 Due to ongoing iCloud problems, iCloud syncing of user data and layouts has been switched off by default. You can still manually export and import to sync. We will switch this back on when Apple fixes things.
Added four new alternative icons, "Ocean", "Jasper", "Salem", and "Quasar".
About screen now runs at 120Hz on suitable hardware.
Fixed a problem with too many messages about pasting from other apps.
Fixed a problem with the ticker tape vanishing when turned upside-down.
Fixed a problem importing settings and keyboard shortcuts.
Fixed a crash when pasting into the app.
Fixed a crash when rapidly tapping toolbar buttons. 3.11.1 12/15/2021 Added support for iOS and iPadOS 15.
Added support for watchOS 8.
Added the ability to link calculations to notes via Quick Note on iPadOS 15.
Fixed a number of icon problems.
Fixed a crash when rotating the device.
PCalc now requires iOS 12.1 or later.
With the "Power User Pack" installed:
Fixed a problem with the "Use B&W Icons" option for the Apple Watch resetting.
With the "Conversion Pack" installed:
You can now use explicit "floor" and "ceiling" rounding in user functions and conversions.
Fixed a problem creating custom functions, conversions, and constants after resetting iCloud data.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a crash with the Registers popup on iPad.
Fixed a crash when editing layouts on another device. 3.11 09/18/2021 Fixed a problem performing conversions via Siri Shortcuts. 3.10.5 03/10/2021 Fixed a problem with the toolbars being too high at the bottom of the functions, conversions, and constants sections on iOS 14.4.
Fixed a problem resetting user data in iCloud.
Fixed a crash when clearing registers with the contextual menu.
Fixed a crash when dragging registers.
Fixed a crash when closing the App Store section for "Dice by PCalc".
With the "Engineer Pack" or "Programmer Pack" installed:
You can now set the C / AC behaviour of a button in the layout editor. 3.10.4 03/09/2021 Switches off click sounds if you're using bluetooth audio, to work around a button lag problem on iOS 14. 3.10.3 02/05/2021 Behebung eines Fehlers beim App-Start auf iOS 14 und iPadOS 14.
Behebung eines Fehlers beim schnellen Tippen auf Symbolleisten-Tasten unter iPadOS 14.
Mit installiertem „Theme Pack“:
Einige neue Ziffernstile. 3.10.2 10/06/2020 Fixed a problem with slow startup on iOS and iPadOS 14.
Fixed a problem throwing bananas in the About screen on iOS 14, iPadOS 14, and watchOS 7 (yes, really). 3.10.1 09/17/2020 Added support for iOS and iPadOS 14.
Added support for watchOS 7.
Improved the hardware keyboard support on iOS 13.4 or later - all default keyboard shortcuts from the Mac version are now available.
You can now press any of the keyboard shortcuts for "Clear" twice to perform an AC.
You can now access all ten memories via Siri Shortcuts.
Fixed a problem running Siri Shortcuts.
Fixed a problem syncing tips across devices via iCloud.
Fixed a problem accessing the tap-and-hold shortcuts in the Apple Watch app on watchOS 7.
Tap-and-hold the C/AC button in the Apple Watch app to do an MC.
Added a new alternative icon, "Chapman".
Added WASD support to the About screen.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem creating custom buttons that open a URL.
With the "Power User Pack" installed:
You can now import custom keyboard shortcut definition files from the Mac version.
Added a button to the settings to reload user data from iCloud. 3.10 09/16/2020 Added the "Hackett Number" to constants.
Fixed a crash when trying to purchase the full version.
Various bug fixes. 3.9.5 04/25/2020 Fixed a problem reading the display with VoiceOver in the Apple Watch app.
Fixed a crash when bringing up contextual menus for display labels on iOS 13.
With the "Power User Pack" installed:
Added an option for left aligning the main register while editing.
The option for showing a cursor while editing now works in the widget.
With the "Multiple Line Pack" installed:
Added a cancel button when picking memory registers in the Apple Watch app.
With the "Engineering Pack" or "Programming Pack" installed:
Fixed a crash when tapping the share button for the tape or registers on an iPad on iOS 13. 3.9.4 02/05/2020 Added contextual menus for the display on iOS 13.
Added a new alternative icon, "Cheri".
With the "Power User Pack" installed:
Added an option for the widget to use an advanced layout with many more functions.
Added copy and paste as ASCII/UTF-8/UTF-16/UTF-32 to the contextual menus on iOS 13.
Added a "Haptic Touch" section to the settings on iOS 13, to configure the app icon menu.
With the "Multiple Line Pack" installed:
Added options to the display settings to turn off contextual menus and drag and drop.
With the "Conversion Pack" installed:
Fixed a problem with user constants not syncing to the Apple Watch app.
Fixed a problem with some of the 3D/Haptic touch commands not working.
Fixed a problem with dragging between display lines in dark mode on iOS 13. 3.9.3 11/20/2019 Fixed a problem with blank keys in the Apple Watch app when running on watchOS 4.
Fixed a problem with PCalc accessing the clipboard when running functions and conversions. 3.9.2 09/20/2019
PCalc Lite version 3.14.4
Updated At: 2026-09-03
Changes: Version History Menus are more consistent with the macOS version.
Fixed a problem speaking negative numbers.
Fixed a problem displaying overflows.
With the "Power User Pack" installed:
Added an option to use woodworking fractions, in the Advanced settings.
Added an option to use the Indian numbering system for thousands separators, in the Advanced settings.
Added an option to ignore trailing operators, on by default, in the Advanced settings.
Added an option to automatically press Equals before "M+" and "M in" operations, on by default, in the Advanced settings.
The "Clear on Open" option will now only trigger if you haven't used PCalc in the last five minutes.
With the "Theme Pack" installed:
Added an option to allow all themes for dark or light mode, in the Theme settings.
Added an option to hide any gloss effects on the display, in the Theme settings.
The user interface mode setting is now independent of the theme mode setting.
Fixed a problem with the user interface dark mode settings.
With the "Conversion Pack" installed:
Added "Flow Rate", "Jewelry", and "Typography" sections to the conversions.
Added "tau" to the constants.
You can now use combinations and permutations in user functions and conversions.
Now show a preview image when picking an SF Symbol.
With the "Engineer Pack" or "Programmer Pack" installed:
Added "norm", "sci", "eng", "acc", "frac", "nCr", "nPr", and "tau" buttons to the layout editor.
Added "tau" as a 2nd function of "pi" in most layouts.
Improved the layout editor with all the commands and keyboard shortcuts from the macOS version.
You can now edit buttons to display any SF Symbol as an image. 3.14.4 Mar 12 Improved support for iOS 26, iPadOS 26, and watchOS 26.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem importing settings and other files on iPadOS 26.
Fixed a problem with the editing toolbar on iOS / iPadOS 26.
Fixed a crash when starting to edit a layout on iOS / iPadOS 26.
With the "Conversion Pack" installed:
Fixed a crash when starting to edit constants.
With the "Theme Pack" installed:
Fixed a crash with certain custom tint colors. 3.14.3 10/24/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26.
Added some icons that are always light or dark, regardless of system setting.
Added dark and tinted variants for the "2016 Earth-2" icon.
The "Chalk" and "Wood" icons have come back, due to popular demand.
Fixed a problem with the tape sidebar not appearing.
Fixed a problem with button text being too small or too big. 3.14.2 09/28/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26.
The "Circuit" icon has come back, due to popular demand.
Added a Control Center button to quickly launch the app on watchOS 26 and later.
Now copy the old tint color from the "Dark Night" theme to "Dathomir" by default.
Fixed a problem forgetting the chosen layout.
Fixed a problem with the "Dathomir" theme in RPN mode.
Fixed a problem always resetting the dark theme to "Dathomir".
Fixed a problem with the "New Calculator" button getting truncated. 3.14.1 09/19/2025 Added support for iOS 26, including dark and tinted icons.
Added support for iPadOS 26, including resizable windows and a full menu bar.
Added support for watchOS 26, including the latest watches and new complications.
Added a Control Center button to quickly launch the app on iOS 18 and later.
Added an "exp" button to the Apple Watch app.
Updated the scientific constants to include the latest CODATA 2022 values.
Most keyboard shortcuts from the Mac version now work on iOS / iPadOS 26.
Fixed various bugs.
PCalc for the Apple Watch now requires watchOS 9 or later.
PCalc now requires iOS / iPadOS 15 or later.
Apple removed all the old-style widgets in iOS 18, so PCalc's widget is currently unavailable. 3.14 09/12/2025 Fixed a crash in the settings if you were using the 2013 app icons on iOS 17. 3.13.1 09/17/2023 Added support for iOS 17 and watchOS 10.
Pressing "C" twice in a row will now perform an "AC", regardless of the layout.
Fixed a problem with the operator highlight being incorrectly cleared after pressing "C".
Fixed a crash when switching between calculators.
Fixed a crash opening the help sections on narrow phones.
Fixed a problem with the button layout on watchOS 10.
PCalc for the Apple Watch now requires watchOS 7 or later.
PCalc now requires iOS 14 or later.
With the "Engineer Pack" or "Programmer Pack" installed:
Now display the name of the current layout in the layout editing alert.
With the "Theme Pack" installed:
Improved the look of the themes with a custom display background color. 3.13 09/15/2023 Added a new alternative icon, "Howell".
Fixed a problem with the tape not remembering it was open on an iPad.
Fixed a problem with some of the alternative icons.
Fixed a problem with incorrect theme colors.
Fixed a problem with incorrect labels in the settings.
Fixed a problem with key clicks in the widget.
Fixed a problem communicating with the "About by PCalc" app.
With the "Conversion Pack" installed:
User functions and conversions can now call other functions and conversions. Within reason! Let's not get too recursive here.
You can now reference constants within user functions and conversions.
Added a button to the conversions to manually update the currency rates.
Fixed a problem editing certain functions and conversions.
With the "Power User Pack" installed:
Added an option to blink the display if it is updated with an identical value. 3.12.2 03/09/2023 Added support for iPadOS 16, including Stage Manager.
Added support for multiple windows on iPad.
Improved theme drawing performance.
Fixed a problem with the recent conversion text getting too small with long unit names.
Fixed a problem with the "Round to Floor" and "Round to Ceiling" user function commands with negative numbers.
Fixed a problem with the "Modulo" function with negative numbers.
Fixed a crash when clearing a memory from the contextual menu.
With the "Power User Pack" installed:
Added a new per-calculator rotation lock option for iPhones on iOS 16.
With the "Conversion Pack" installed:
Added an "EV Efficiency" section to the conversions.
Fixed an ambiguity when displaying some currency symbols like Yen and Yuan.
Fixed some cosmetic problems with the user functions and conversions editor.
Fixed a problem editing the name and images for custom function, conversion, and constant categories.
With the "Engineer Pack" or "Programmer Pack" installed:
Now interpret text starting with "0x", "0o", or "0b" as hex, octal, and binary numbers.
Improved handling of button selection in the layout editor.
Fixed a crash when adding or duplicating a layout on iPad. 3.12.1 10/19/2022 Added support for iOS 16.
Added support for watchOS 9, including the Apple Watch Ultra.
Improved support for Dynamic Type throughout the app.
PCalc now requires iOS 13 or later.
With the "Theme Pack" installed:
You can now choose custom theme tint, digit, and display colours.
Added an option to choose if the user interface is light or dark.
Improved the "Theme" section of the settings.
Fixed a problem with controls in the Tape and Registers sections not being readable in some themes.
With the "Power User Pack" installed:
You can now have multiple calculators, each with a separate setup.
You can open the app and switch to a specific calculator using a URL of the form pcalc://calculator/name.
Added an option to the layout sections to choose between the different types of layout.
Fixed a problem tapping the display mode indicator to quickly change modes. 3.12 09/10/2022 Fixed a problem with missing layouts on iPhone. 3.11.4 07/22/2022 Improved the appearance of the app.
Added menu commands for copying and pasting numbers with U.S. formatting.
Changed the display of numbers between 0.1 and 1.0 to be more consistent in Engineering mode.
iCloud syncing of user data is now switched on again by default if you are running iOS 15.5 or later.
Key clicks are now switched off by default because they were causing the interface to lag occasionally.
Fixed a problem with the watch complication icons.
Fixed a problem with messages about pasting from other apps when dragging registers about.
Fixed a problem with operator button selection being lost after putting the app into the background.
Fixed a problem with the functions popup not opening on iPad.
Fixed a problem with the conversion actions in Shortcuts when set to "Ask each time".
With the "Conversion Pack" installed:
You can now set images for the categories of custom functions, conversions, and constants.
With the "Theme Pack" installed:
Added a new digit style, "Matrix". 3.11.3 07/20/2022 Moved the About screen to a standalone app called "About by PCalc".
If you have the app installed, selecting "About PCalc" in the Help section will work exactly as before. 3.11.2 03/29/2022 Due to ongoing iCloud problems, iCloud syncing of user data and layouts has been switched off by default. You can still manually export and import to sync. We will switch this back on when Apple fixes things.
Added four new alternative icons, "Ocean", "Jasper", "Salem", and "Quasar".
About screen now runs at 120Hz on suitable hardware.
Fixed a problem with too many messages about pasting from other apps.
Fixed a problem with the ticker tape vanishing when turned upside-down.
Fixed a problem importing settings and keyboard shortcuts.
Fixed a crash when pasting into the app.
Fixed a crash when rapidly tapping toolbar buttons. 3.11.1 12/15/2021 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Added support for iOS and iPadOS 15.
Added support for watchOS 8.
Added the ability to link calculations to notes via Quick Note on iPadOS 15.
Fixed a number of icon problems.
Fixed a crash when rotating the device.
PCalc now requires iOS 12.1 or later.
With the "Power User Pack" installed:
Fixed a problem with the "Use B&W Icons" option for the Apple Watch resetting.
With the "Conversion Pack" installed:
You can now use explicit "floor" and "ceiling" rounding in user functions and conversions.
Fixed a problem creating custom functions, conversions, and constants after resetting iCloud data.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a crash with the Registers popup on iPad.
Fixed a crash when editing layouts on another device. 3.11 09/18/2021 Fixed a problem performing conversions via Siri Shortcuts. 3.10.5 03/10/2021 Fixed a problem with the toolbars being too high at the bottom of the functions, conversions, and constants sections on iOS 14.4.
Fixed a problem resetting user data in iCloud.
Fixed a crash when clearing registers with the contextual menu.
Fixed a crash when dragging registers.
Fixed a crash when closing the App Store section for "Dice by PCalc".
With the "Engineer Pack" or "Programmer Pack" installed:
You can now set the C / AC behaviour of a button in the layout editor. 3.10.4 03/09/2021 Switches off click sounds if you're using bluetooth audio, to work around a button lag problem on iOS 14. 3.10.3 02/05/2021 Behebung eines Fehlers beim App-Start auf iOS 14 und iPadOS 14.
Behebung eines Fehlers beim schnellen Tippen auf Symbolleisten-Tasten unter iPadOS 14.
Mit installiertem „Theme Pack“:
Einige neue Ziffernstile. 3.10.2 10/06/2020 Fixed a problem with slow startup on iOS and iPadOS 14.
Fixed a problem throwing bananas in the About screen on iOS 14, iPadOS 14, and watchOS 7 (yes, really). 3.10.1 09/17/2020 Added support for iOS and iPadOS 14.
Added support for watchOS 7.
Improved the hardware keyboard support on iOS 13.4 or later - all default keyboard shortcuts from the Mac version are now available.
You can now press any of the keyboard shortcuts for "Clear" twice to perform an AC.
You can now access all ten memories via Siri Shortcuts.
Fixed a problem running Siri Shortcuts.
Fixed a problem syncing tips across devices via iCloud.
Fixed a problem accessing the tap-and-hold shortcuts in the Apple Watch app on watchOS 7.
Tap-and-hold the C/AC button in the Apple Watch app to do an MC.
Added a new alternative icon, "Chapman".
Added WASD support to the About screen.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem creating custom buttons that open a URL.
With the "Power User Pack" installed:
You can now import custom keyboard shortcut definition files from the Mac version.
Added a button to the settings to reload user data from iCloud. 3.10 09/16/2020 Added the "Hackett Number" to constants.
Fixed a crash when trying to purchase the full version.
Various bug fixes. 3.9.5 04/25/2020 Fixed a problem reading the display with VoiceOver in the Apple Watch app.
Fixed a crash when bringing up contextual menus for display labels on iOS 13.
With the "Power User Pack" installed:
Added an option for left aligning the main register while editing.
The option for showing a cursor while editing now works in the widget.
With the "Multiple Line Pack" installed:
Added a cancel button when picking memory registers in the Apple Watch app.
With the "Engineering Pack" or "Programming Pack" installed:
Fixed a crash when tapping the share button for the tape or registers on an iPad on iOS 13. 3.9.4 02/05/2020 Added contextual menus for the display on iOS 13.
Added a new alternative icon, "Cheri".
With the "Power User Pack" installed:
Added an option for the widget to use an advanced layout with many more functions.
Added copy and paste as ASCII/UTF-8/UTF-16/UTF-32 to the contextual menus on iOS 13.
Added a "Haptic Touch" section to the settings on iOS 13, to configure the app icon menu.
With the "Multiple Line Pack" installed:
Added options to the display settings to turn off contextual menus and drag and drop.
With the "Conversion Pack" installed:
Fixed a problem with user constants not syncing to the Apple Watch app.
Fixed a problem with some of the 3D/Haptic touch commands not working.
Fixed a problem with dragging between display lines in dark mode on iOS 13. 3.9.3 11/20/2019 Fixed a problem with blank keys in the Apple Watch app when running on watchOS 4.
Fixed a problem with PCalc accessing the clipboard when running functions and conversions. 3.9.2 09/20/2019
PCalc Lite version 3.14.4
Updated At: 2026-08-21
Changes: Version History Menus are more consistent with the macOS version.
Fixed a problem speaking negative numbers.
Fixed a problem displaying overflows.
With the "Power User Pack" installed:
Added an option to use woodworking fractions, in the Advanced settings.
Added an option to use the Indian numbering system for thousands separators, in the Advanced settings.
Added an option to ignore trailing operators, on by default, in the Advanced settings.
Added an option to automatically press Equals before "M+" and "M in" operations, on by default, in the Advanced settings.
The "Clear on Open" option will now only trigger if you haven't used PCalc in the last five minutes.
With the "Theme Pack" installed:
Added an option to allow all themes for dark or light mode, in the Theme settings.
Added an option to hide any gloss effects on the display, in the Theme settings.
The user interface mode setting is now independent of the theme mode setting.
Fixed a problem with the user interface dark mode settings.
With the "Conversion Pack" installed:
Added "Flow Rate", "Jewelry", and "Typography" sections to the conversions.
Added "tau" to the constants.
You can now use combinations and permutations in user functions and conversions.
Now show a preview image when picking an SF Symbol.
With the "Engineer Pack" or "Programmer Pack" installed:
Added "norm", "sci", "eng", "acc", "frac", "nCr", "nPr", and "tau" buttons to the layout editor.
Added "tau" as a 2nd function of "pi" in most layouts.
Improved the layout editor with all the commands and keyboard shortcuts from the macOS version.
You can now edit buttons to display any SF Symbol as an image. 3.14.4 Mar 12 Improved support for iOS 26, iPadOS 26, and watchOS 26.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem importing settings and other files on iPadOS 26.
Fixed a problem with the editing toolbar on iOS / iPadOS 26.
Fixed a crash when starting to edit a layout on iOS / iPadOS 26.
With the "Conversion Pack" installed:
Fixed a crash when starting to edit constants.
With the "Theme Pack" installed:
Fixed a crash with certain custom tint colors. 3.14.3 10/24/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26.
Added some icons that are always light or dark, regardless of system setting.
Added dark and tinted variants for the "2016 Earth-2" icon.
The "Chalk" and "Wood" icons have come back, due to popular demand.
Fixed a problem with the tape sidebar not appearing.
Fixed a problem with button text being too small or too big. 3.14.2 09/28/2025 Improved support for iOS 26, iPadOS 26, and watchOS 26.
The "Circuit" icon has come back, due to popular demand.
Added a Control Center button to quickly launch the app on watchOS 26 and later.
Now copy the old tint color from the "Dark Night" theme to "Dathomir" by default.
Fixed a problem forgetting the chosen layout.
Fixed a problem with the "Dathomir" theme in RPN mode.
Fixed a problem always resetting the dark theme to "Dathomir".
Fixed a problem with the "New Calculator" button getting truncated. 3.14.1 09/19/2025 Added support for iOS 26, including dark and tinted icons.
Added support for iPadOS 26, including resizable windows and a full menu bar.
Added support for watchOS 26, including the latest watches and new complications.
Added a Control Center button to quickly launch the app on iOS 18 and later.
Added an "exp" button to the Apple Watch app.
Updated the scientific constants to include the latest CODATA 2022 values.
Most keyboard shortcuts from the Mac version now work on iOS / iPadOS 26.
Fixed various bugs.
PCalc for the Apple Watch now requires watchOS 9 or later.
PCalc now requires iOS / iPadOS 15 or later.
Apple removed all the old-style widgets in iOS 18, so PCalc's widget is currently unavailable. 3.14 09/12/2025 Fixed a crash in the settings if you were using the 2013 app icons on iOS 17. 3.13.1 09/17/2023 Added support for iOS 17 and watchOS 10.
Pressing "C" twice in a row will now perform an "AC", regardless of the layout.
Fixed a problem with the operator highlight being incorrectly cleared after pressing "C".
Fixed a crash when switching between calculators.
Fixed a crash opening the help sections on narrow phones.
Fixed a problem with the button layout on watchOS 10.
PCalc for the Apple Watch now requires watchOS 7 or later.
PCalc now requires iOS 14 or later.
With the "Engineer Pack" or "Programmer Pack" installed:
Now display the name of the current layout in the layout editing alert.
With the "Theme Pack" installed:
Improved the look of the themes with a custom display background color. 3.13 09/15/2023 Added a new alternative icon, "Howell".
Fixed a problem with the tape not remembering it was open on an iPad.
Fixed a problem with some of the alternative icons.
Fixed a problem with incorrect theme colors.
Fixed a problem with incorrect labels in the settings.
Fixed a problem with key clicks in the widget.
Fixed a problem communicating with the "About by PCalc" app.
With the "Conversion Pack" installed:
User functions and conversions can now call other functions and conversions. Within reason! Let's not get too recursive here.
You can now reference constants within user functions and conversions.
Added a button to the conversions to manually update the currency rates.
Fixed a problem editing certain functions and conversions.
With the "Power User Pack" installed:
Added an option to blink the display if it is updated with an identical value. 3.12.2 03/09/2023 Added support for iPadOS 16, including Stage Manager.
Added support for multiple windows on iPad.
Improved theme drawing performance.
Fixed a problem with the recent conversion text getting too small with long unit names.
Fixed a problem with the "Round to Floor" and "Round to Ceiling" user function commands with negative numbers.
Fixed a problem with the "Modulo" function with negative numbers.
Fixed a crash when clearing a memory from the contextual menu.
With the "Power User Pack" installed:
Added a new per-calculator rotation lock option for iPhones on iOS 16.
With the "Conversion Pack" installed:
Added an "EV Efficiency" section to the conversions.
Fixed an ambiguity when displaying some currency symbols like Yen and Yuan.
Fixed some cosmetic problems with the user functions and conversions editor.
Fixed a problem editing the name and images for custom function, conversion, and constant categories.
With the "Engineer Pack" or "Programmer Pack" installed:
Now interpret text starting with "0x", "0o", or "0b" as hex, octal, and binary numbers.
Improved handling of button selection in the layout editor.
Fixed a crash when adding or duplicating a layout on iPad. 3.12.1 10/19/2022 Added support for iOS 16.
Added support for watchOS 9, including the Apple Watch Ultra.
Improved support for Dynamic Type throughout the app.
PCalc now requires iOS 13 or later.
With the "Theme Pack" installed:
You can now choose custom theme tint, digit, and display colours.
Added an option to choose if the user interface is light or dark.
Improved the "Theme" section of the settings.
Fixed a problem with controls in the Tape and Registers sections not being readable in some themes.
With the "Power User Pack" installed:
You can now have multiple calculators, each with a separate setup.
You can open the app and switch to a specific calculator using a URL of the form pcalc://calculator/name.
Added an option to the layout sections to choose between the different types of layout.
Fixed a problem tapping the display mode indicator to quickly change modes. 3.12 09/10/2022 Fixed a problem with missing layouts on iPhone. 3.11.4 07/22/2022 Improved the appearance of the app.
Added menu commands for copying and pasting numbers with U.S. formatting.
Changed the display of numbers between 0.1 and 1.0 to be more consistent in Engineering mode.
iCloud syncing of user data is now switched on again by default if you are running iOS 15.5 or later.
Key clicks are now switched off by default because they were causing the interface to lag occasionally.
Fixed a problem with the watch complication icons.
Fixed a problem with messages about pasting from other apps when dragging registers about.
Fixed a problem with operator button selection being lost after putting the app into the background.
Fixed a problem with the functions popup not opening on iPad.
Fixed a problem with the conversion actions in Shortcuts when set to "Ask each time".
With the "Conversion Pack" installed:
You can now set images for the categories of custom functions, conversions, and constants.
With the "Theme Pack" installed:
Added a new digit style, "Matrix". 3.11.3 07/20/2022 Moved the About screen to a standalone app called "About by PCalc".
If you have the app installed, selecting "About PCalc" in the Help section will work exactly as before. 3.11.2 03/29/2022 Due to ongoing iCloud problems, iCloud syncing of user data and layouts has been switched off by default. You can still manually export and import to sync. We will switch this back on when Apple fixes things.
Added four new alternative icons, "Ocean", "Jasper", "Salem", and "Quasar".
About screen now runs at 120Hz on suitable hardware.
Fixed a problem with too many messages about pasting from other apps.
Fixed a problem with the ticker tape vanishing when turned upside-down.
Fixed a problem importing settings and keyboard shortcuts.
Fixed a crash when pasting into the app.
Fixed a crash when rapidly tapping toolbar buttons. 3.11.1 12/15/2021 This update from Apple will improve the functionality of this app. No new features are included.
Added support for iOS and iPadOS 15.
Added support for watchOS 8.
Added the ability to link calculations to notes via Quick Note on iPadOS 15.
Fixed a number of icon problems.
Fixed a crash when rotating the device.
PCalc now requires iOS 12.1 or later.
With the "Power User Pack" installed:
Fixed a problem with the "Use B&W Icons" option for the Apple Watch resetting.
With the "Conversion Pack" installed:
You can now use explicit "floor" and "ceiling" rounding in user functions and conversions.
Fixed a problem creating custom functions, conversions, and constants after resetting iCloud data.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a crash with the Registers popup on iPad.
Fixed a crash when editing layouts on another device. 3.11 09/18/2021 Fixed a problem performing conversions via Siri Shortcuts. 3.10.5 03/10/2021 Fixed a problem with the toolbars being too high at the bottom of the functions, conversions, and constants sections on iOS 14.4.
Fixed a problem resetting user data in iCloud.
Fixed a crash when clearing registers with the contextual menu.
Fixed a crash when dragging registers.
Fixed a crash when closing the App Store section for "Dice by PCalc".
With the "Engineer Pack" or "Programmer Pack" installed:
You can now set the C / AC behaviour of a button in the layout editor. 3.10.4 03/09/2021 Switches off click sounds if you're using bluetooth audio, to work around a button lag problem on iOS 14. 3.10.3 02/05/2021 Behebung eines Fehlers beim App-Start auf iOS 14 und iPadOS 14.
Behebung eines Fehlers beim schnellen Tippen auf Symbolleisten-Tasten unter iPadOS 14.
Mit installiertem „Theme Pack“:
Einige neue Ziffernstile. 3.10.2 10/06/2020 Fixed a problem with slow startup on iOS and iPadOS 14.
Fixed a problem throwing bananas in the About screen on iOS 14, iPadOS 14, and watchOS 7 (yes, really). 3.10.1 09/17/2020 Added support for iOS and iPadOS 14.
Added support for watchOS 7.
Improved the hardware keyboard support on iOS 13.4 or later - all default keyboard shortcuts from the Mac version are now available.
You can now press any of the keyboard shortcuts for "Clear" twice to perform an AC.
You can now access all ten memories via Siri Shortcuts.
Fixed a problem running Siri Shortcuts.
Fixed a problem syncing tips across devices via iCloud.
Fixed a problem accessing the tap-and-hold shortcuts in the Apple Watch app on watchOS 7.
Tap-and-hold the C/AC button in the Apple Watch app to do an MC.
Added a new alternative icon, "Chapman".
Added WASD support to the About screen.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem creating custom buttons that open a URL.
With the "Power User Pack" installed:
You can now import custom keyboard shortcut definition files from the Mac version.
Added a button to the settings to reload user data from iCloud. 3.10 09/16/2020 Added the "Hackett Number" to constants.
Fixed a crash when trying to purchase the full version.
Various bug fixes. 3.9.5 04/25/2020 Fixed a problem reading the display with VoiceOver in the Apple Watch app.
Fixed a crash when bringing up contextual menus for display labels on iOS 13.
With the "Power User Pack" installed:
Added an option for left aligning the main register while editing.
The option for showing a cursor while editing now works in the widget.
With the "Multiple Line Pack" installed:
Added a cancel button when picking memory registers in the Apple Watch app.
With the "Engineering Pack" or "Programming Pack" installed:
Fixed a crash when tapping the share button for the tape or registers on an iPad on iOS 13. 3.9.4 02/05/2020 Added contextual menus for the display on iOS 13.
Added a new alternative icon, "Cheri".
With the "Power User Pack" installed:
Added an option for the widget to use an advanced layout with many more functions.
Added copy and paste as ASCII/UTF-8/UTF-16/UTF-32 to the contextual menus on iOS 13.
Added a "Haptic Touch" section to the settings on iOS 13, to configure the app icon menu.
With the "Multiple Line Pack" installed:
Added options to the display settings to turn off contextual menus and drag and drop.
With the "Conversion Pack" installed:
Fixed a problem with user constants not syncing to the Apple Watch app.
Fixed a problem with some of the 3D/Haptic touch commands not working.
Fixed a problem with dragging between display lines in dark mode on iOS 13. 3.9.3 11/20/2019 Fixed a problem with blank keys in the Apple Watch app when running on watchOS 4.
Fixed a problem with PCalc accessing the clipboard when running functions and conversions. 3.9.2 09/20/2019
PCalc Lite version 3.14.4
Updated At: 2026-03-12
Changes: Menus are more consistent with the macOS version.
Fixed a problem speaking negative numbers.
Fixed a problem displaying overflows.
With the "Power User Pack" installed:
Added an option to use woodworking fractions, in the Advanced settings.
Added an option to use the Indian numbering system for thousands separators, in the Advanced settings.
Added an option to ignore trailing operators, on by default, in the Advanced settings.
Added an option to automatically press Equals before "M+" and "M in" operations, on by default, in the Advanced settings.
The "Clear on Open" option will now only trigger if you haven't used PCalc in the last five minutes.
With the "Theme Pack" installed:
Added an option to allow all themes for dark or light mode, in the Theme settings.
Added an option to hide any gloss effects on the display, in the Theme settings.
The user interface mode setting is now independent of the theme mode setting.
Fixed a problem with the user interface dark mode settings.
With the "Conversion Pack" installed:
Added "Flow Rate", "Jewelry", and "Typography" sections to the conversions.
Added "tau" to the constants.
You can now use combinations and permutations in user functions and conversions.
Now show a preview image when picking an SF Symbol.
With the "Engineer Pack" or "Programmer Pack" installed:
Added "norm", "sci", "eng", "acc", "frac", "nCr", "nPr", and "tau" buttons to the layout editor.
Added "tau" as a 2nd function of "pi" in most layouts.
Improved the layout editor with all the commands and keyboard shortcuts from the macOS version.
You can now edit buttons to display any SF Symbol as an image.
PCalc Lite version 3.14.3
Updated At: 2025-10-24
Changes: Improved support for iOS 26, iPadOS 26, and watchOS 26.
With the "Engineer Pack" or "Programmer Pack" installed:
Fixed a problem importing settings and other files on iPadOS 26.
Fixed a problem with the editing toolbar on iOS / iPadOS 26.
Fixed a crash when starting to edit a layout on iOS / iPadOS 26.
With the "Conversion Pack" installed:
Fixed a crash when starting to edit constants.
With the "Theme Pack" installed:
Fixed a crash with certain custom tint colors.
PCalc Lite version 3.14.1
Updated At: 2025-09-19
Changes: Sep 19, 2025
Version 3.14.1
Improved support for iOS 26, iPadOS 26, and watchOS 26.
The "Circuit" icon has come back, due to popular demand.
Added a Control Center button to quickly launch the app on watchOS 26 and later.
Now copy the old tint color from the "Dark Night" theme to "Dathomir" by default.
Fixed a problem forgetting the chosen layout.
Fixed a problem with the "Dathomir" theme in RPN mode.
Fixed a problem always resetting the dark theme to "Dathomir".
Fixed a problem with the "New Calculator" button getting truncated.
PCalc Lite version 3.13.1
Updated At: 2023-09-17
Changes: Sep 17, 2023
Version 3.13.1
Fixed a crash in the settings if you were using the 2013 app icons on iOS 17.
PCalc Lite version 3.12.2
Updated At: 2023-03-09
Changes: Mar 9, 2023
Version 3.12.2
Added a new alternative icon, "Howell".
Fixed a problem with the tape not remembering it was open on an iPad.
Fixed a problem with some of the alternative icons.
Fixed a problem with incorrect theme colors.
Fixed a problem with incorrect labels in the settings.
Fixed a problem with key clicks in the widget.
Fixed a problem communicating with the "About by PCalc" app.
With the "Conversion Pack" installed:
User functions and conversions can now call other functions and conversions. Within reason! Let's not get too recursive here.
You can now reference constants within user functions and conversions.
Added a button to the conversions to manually update the currency rates.
Fixed a problem editing certain functions and conversions.
With the "Power User Pack" installed:
Added an option to blink the display if it is updated with an identical value.
PCalc Lite version 3.11.4
Updated At: 2022-07-22
Changes: Jul 22, 2022 Version 3.11.4
Fixed a problem with missing layouts on iPhone.
PCalc Lite version 3.11.2
Updated At: 2022-03-29
Changes: Mar 29, 2022 Version 3.11.2
Moved the About screen to a standalone app called "About by PCalc".
If you have the app installed, selecting "About PCalc" in the Help section will work exactly as before.
