Calculator RPN4.6.8 - App Store

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.

Version History - Minor bug fixes. 4.6.8 04/16/2022 - Minor bug fixes. 4.6.7 11/07/2021 - Fixed operation description formatting.
- Fixed rounding that could happen with some operations and settings. 4.6.6 10/24/2021 - Minor bug fixes. 4.6.5 10/14/2021 - Support for iOS 15 and watchOS 8. 4.6.4 09/22/2021 - Minor bug fixes. 4.6.3 06/15/2021 - 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. 4.6.2 05/02/2021 - Improved readability of the orange operation buttons.
- Added an option to have an haptic feedback on each key press. 4.6 11/18/2020 - iOS 14 support.
- Improved Apple Watch app speed. 4.5.3 09/29/2020 - 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. 4.5.2 09/17/2020 - 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. 4.5.1 07/21/2020 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. 4.5 06/30/2020 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. 4.4.1 04/05/2020 - 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 4.4 11/03/2019 - Fixed a bug with the ENTER keyboard shortcut 4.3.2 10/23/2019 - Supporting numeric pad for keyboard shortcuts 4.3.1 10/22/2019 - 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 4.3 10/19/2019 - 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. 4.2 09/30/2019 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. 4.1 09/13/2019 - Fixed a crash with the factorial function.
- Fixed a bug where the editing number could not be visible.
- Added Enter keyboard shortcut on iPad. 4.0.2 09/07/2019 - Fixed a bug with reverse trigonometry functions
- Fixed a bug with the All Clear function on Apple Watch 4.0.1 08/30/2019 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. 4.0 08/26/2019 • Fixed a bug with the -> R function
• Fixed the thinner line on the function keyboard on 4" screens 3.0.6 03/13/2017 • 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 3.0.5 02/10/2017 • Fixed a bug with the +/- and EEX function in some regions 3.0.4 10/23/2016