Calculator RPN
RPN everywhere with you.
$3.99
4.6.8for iPhone, iPad and more
Age Rating
Calculator RPN Screenshots
About Calculator RPN
On this calculator you will be able to benefit from all the functions of a scientific calculator and RPN with the new iOS calculator. Thanks to the RPN mode you will be able to calculate sums at great speed which greatly reduces the typing.
With a simple and uncluttered interface design, this calculaor includes 54 mathematical functions such as :
• basic functions like natural logarythms, square roots and factorials
• trigonometry (simple and hyperbolic)
• it convertes polar and rectangular coordinates, decimal hours, hours, minutes and seconds
• it can calculate degrees and radians
And much more
This calculator uses the very efficient and much talked about RPN system used by engineers and scientists, now on iOS.
With a simple and uncluttered interface design, this calculaor includes 54 mathematical functions such as :
• basic functions like natural logarythms, square roots and factorials
• trigonometry (simple and hyperbolic)
• it convertes polar and rectangular coordinates, decimal hours, hours, minutes and seconds
• it can calculate degrees and radians
And much more
This calculator uses the very efficient and much talked about RPN system used by engineers and scientists, now on iOS.
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What's New in the Latest Version 4.6.8
Last updated on Apr 16, 2022
Old Versions
- Minor bug fixes.
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Version History
4.6.8
Apr 16, 2022
- Minor bug fixes.
4.6.7
Nov 7, 2021
- Minor bug fixes.
4.6.6
Oct 24, 2021
- Fixed operation description formatting.
- Fixed rounding that could happen with some operations and settings.
- Fixed rounding that could happen with some operations and settings.
4.6.5
Oct 14, 2021
- Minor bug fixes.
4.6.4
Sep 22, 2021
- Support for iOS 15 and watchOS 8.
4.6.3
Jun 15, 2021
- Minor bug fixes.
4.6.2
May 2, 2021
- Redesigned app icon to match the macOS app icon.
- Added support for iOS 14 widgets.
- Added an option to change the decimal precision.
- You can now automatically participate in the beta test without having to send an email.
- Added support for iOS 14 widgets.
- Added an option to change the decimal precision.
- You can now automatically participate in the beta test without having to send an email.
4.6
Nov 18, 2020
- Improved readability of the orange operation buttons.
- Added an option to have an haptic feedback on each key press.
- Added an option to have an haptic feedback on each key press.
4.5.3
Sep 29, 2020
- iOS 14 support.
- Improved Apple Watch app speed.
- Improved Apple Watch app speed.
4.5.2
Sep 17, 2020
- Added an option to hide the operation history.
- Settings are now displayed in a popover on iPad instead of taking the whole screen.
- Fixed a bug that disabled the delete button when editing the stack.
- Settings are now displayed in a popover on iPad instead of taking the whole screen.
- Fixed a bug that disabled the delete button when editing the stack.
4.5.1
Jul 21, 2020
- Improved number readability by using a monospaced font.
- Improved operation symbol size.
- Added a new setting that prevent the screen to be locked automatically.
- Fixed a bug that caused the keyboard’s division shortcut not to work.
- Fixed a bug that caused the comma not to be fully visible.
- Improved operation symbol size.
- Added a new setting that prevent the screen to be locked automatically.
- Fixed a bug that caused the keyboard’s division shortcut not to work.
- Fixed a bug that caused the comma not to be fully visible.
4.5
Jun 30, 2020
RPN Calculator 4.5 is here and comes with a bunch of new features.
iOS
- Added the detail of the operation above a number after performing it.
- Added the ability to select a register and copy it using a keyboard shortcut.
- Added the ability to cut a number.
- Added the ability to paste a number into the stack.
- Added keyboard shortcuts for cut, copy and paste.
- Added keyboard shortcuts for swap, roll up and roll down.
- Improved support for drag and drop.
- Improved support for the numeric pad on International keyboards.
- Improved support for VoiceOver.
- Typing +/- after ENTER no longer displays -0 but changes the sign of the first register instead.
- Added a section in settings to participate in the beta test of the app.
watchOS
- The Apple Watch app has been completely redesigned for a much better user experience.
- The settings are now available from the Apple Watch. Force touch on the screen to access.
- Support for watchOS complication to quickly access the app from your watch face.
iOS
- Added the detail of the operation above a number after performing it.
- Added the ability to select a register and copy it using a keyboard shortcut.
- Added the ability to cut a number.
- Added the ability to paste a number into the stack.
- Added keyboard shortcuts for cut, copy and paste.
- Added keyboard shortcuts for swap, roll up and roll down.
- Improved support for drag and drop.
- Improved support for the numeric pad on International keyboards.
- Improved support for VoiceOver.
- Typing +/- after ENTER no longer displays -0 but changes the sign of the first register instead.
- Added a section in settings to participate in the beta test of the app.
watchOS
- The Apple Watch app has been completely redesigned for a much better user experience.
- The settings are now available from the Apple Watch. Force touch on the screen to access.
- Support for watchOS complication to quickly access the app from your watch face.
4.4.1
Apr 5, 2020
RPN Calculator is now available as a universal purchase ! You can now enjoy the macOS app for free.
New features are coming soon. Stay tuned. If you like this app, don't hesitate to write a review on the AppStore.
New features are coming soon. Stay tuned. If you like this app, don't hesitate to write a review on the AppStore.
4.4
Nov 3, 2019
- Added an option to lock the function key
- Fixed a bug with the last x function
- Fixed a bug with the delta percent function
- Fixed a bug with the time conversion functions
- Fixed a bug with the last x function
- Fixed a bug with the delta percent function
- Fixed a bug with the time conversion functions
4.3.2
Oct 23, 2019
- Fixed a bug with the ENTER keyboard shortcut
4.3.1
Oct 22, 2019
- Supporting numeric pad for keyboard shortcuts
4.3
Oct 19, 2019
- RPN Calculator is now available for Mac. Check it out on the Mac AppStore !
- Fixed a bug with keyboard shortcut on iPad
- Improved undo and redo
- Improved settings view
- Minor bug fixes
- Fixed a bug with keyboard shortcut on iPad
- Improved undo and redo
- Improved settings view
- Minor bug fixes
4.2
Sep 30, 2019
- The widget is back ! Calculate directly from your home screen on iPad. Reduce the widget to copy the last number of your stack.
- Fixed a bug with the factorial function.
- Fixed a bug with the factorial function.
4.1
Sep 13, 2019
RPN Calculator 4.1 brings new features for iOS 13.
- Support for dark mode. Enjoy the new dark user interface designed for iOS 13.
- Support for multiple window on iPad. Drag a row to the border of the screen to open a calculator in a new window.
- Support for drag and drop to reorder rows on iPad.
- Support for contextual menus. Long press on a row to display more options.
- Minor bug fix.
- Support for dark mode. Enjoy the new dark user interface designed for iOS 13.
- Support for multiple window on iPad. Drag a row to the border of the screen to open a calculator in a new window.
- Support for drag and drop to reorder rows on iPad.
- Support for contextual menus. Long press on a row to display more options.
- Minor bug fix.
4.0.2
Sep 7, 2019
- Fixed a crash with the factorial function.
- Fixed a bug where the editing number could not be visible.
- Added Enter keyboard shortcut on iPad.
- Fixed a bug where the editing number could not be visible.
- Added Enter keyboard shortcut on iPad.
4.0.1
Aug 30, 2019
- Fixed a bug with reverse trigonometry functions
- Fixed a bug with the All Clear function on Apple Watch
- Fixed a bug with the All Clear function on Apple Watch
4.0
Aug 26, 2019
RPN Calculator update to version 4.0 and brings new features.
USER INTERFACE
- Adaptation to iPhone X, Xs, Xr and Xs Max screens.
- Adaptation to iPad Pro (3ème generation) screens.
- Added support of Split View.
- Redesigned user interface on iPhone and iPad.
- Added support to landscape mode.
- Improved the way to copy number. Touch a row on the stack to see the options.
- Added support for Taptic Engine. Touch ENTER or make an operation to have an haptic feedback.
- Added keyboard shortcuts support on iPad.
- Better support of accessibility.
OERATIONS
- Added grouping separator.
- Added the ability to edit any number in the stack.
- Improved errors. Errors now display directly in a number row instead of blocking the screen.
- Improved UNDO function.
- Added options in settings.
- Fixed rounding bugs.
- Fixed a crash when moving a row in the stack.
USER INTERFACE
- Adaptation to iPhone X, Xs, Xr and Xs Max screens.
- Adaptation to iPad Pro (3ème generation) screens.
- Added support of Split View.
- Redesigned user interface on iPhone and iPad.
- Added support to landscape mode.
- Improved the way to copy number. Touch a row on the stack to see the options.
- Added support for Taptic Engine. Touch ENTER or make an operation to have an haptic feedback.
- Added keyboard shortcuts support on iPad.
- Better support of accessibility.
OERATIONS
- Added grouping separator.
- Added the ability to edit any number in the stack.
- Improved errors. Errors now display directly in a number row instead of blocking the screen.
- Improved UNDO function.
- Added options in settings.
- Fixed rounding bugs.
- Fixed a crash when moving a row in the stack.
3.0.6
Mar 13, 2017
• Fixed a bug with the ->R function
• Fixed the thinner line on the function keyboard on 4" screens
• Fixed the thinner line on the function keyboard on 4" screens
3.0.5
Feb 10, 2017
• Fixed a bug with the Frac function witch returned a bad result with negative numbers
• Using the ABS function will now turn off the function mode
• Added the possibility to calculate exponentials with bigger numbers
• Using the ABS function will now turn off the function mode
• Added the possibility to calculate exponentials with bigger numbers
3.0.4
Oct 23, 2016
• Fixed a bug with the +/- and EEX function in some regions
Calculator RPN FAQ
Click here to learn how to download Calculator RPN in restricted country or region.
Check the following list to see the minimum requirements of Calculator RPN.
iPhone
Requires iOS 14.0 or later.
iPad
Requires iPadOS 14.0 or later.
Mac
Requires macOS 11.0 or later.
Apple Watch
Requires watchOS 6.2 or later.
iPod touch
Requires iOS 14.0 or later.
Calculator RPN supports English, French
