About Complex RPN Calculator
Complex RPN Calculator is a scientific RPN calculator with a four stack whose native number is complex. You can view and enter numbers in both polar and rectangular formats. Complex RPN remembers its state between usages...
Complex RPN Calculator is a scientific RPN calculator with a four stack whose native number is complex. You can view and enter numbers in both polar and rectangular formats. Complex RPN remembers its state between usages and has 10 memory locations.
Version History Fixed some bugs associated with setting the significant digits in FIX, SCI and ENG modes that were causing crashes Changed the way Pi modifies the stack to make it more intuitive. Added a mode to show the stack when in landscape mode. Be away that when you are entering a number, x will show as 0. If you are experiencing button lag or don't like not being able to play music in the background, change Click Style to none and this will fix your problems. 6.0 09/18/2025 Updated to SwiftUI 5.0 07/10/2023 This update from Apple will improve the functionality of this app. No new features are included. Updating with fancy new buttons. 3.0 01/09/2016 Updating links to point to new web page location. 2.3.1 05/25/2012 Updating graphics for new iPad. 2.3 04/17/2012 Moved to version 1.0 of cmpxRPNpro! 2.2 12/03/2011 Updated to fix a bug that most people won't see. 2.1 04/28/2010 Added support for iPad. 2.0 04/06/2010 Added complex number support to !. Modify copy/paste to make if more intuitive for user. Added visual button highlight to aid in accuracy. Fixed a bug with the delete button when in angle mode. Added a mode indicator to bottom of the display to indicate when in angle mode and removed angle indicator when angle is 0. 1.2 09/26/2009 Added the ability to control the click sound on the info page. Added the ability to control the thousands separator and decimal separator on the info page. Added a button that links to the web man page on the info page. Renamed none number format to raw and created a new none that eliminates a lot of the ugliness that people complained about. When the number format is not none, it's displayed below number. 1.1 11/23/2008 1.0.2 10/25/2008 1.0.1 10/19/2008 1.0 09/27/2008
Previous Versions
Here you can find the changelog of Complex RPN Calculator since it was posted on our website on 2016-10-07 05:10:05.
The latest version is 6.0 and it was updated on 2026-06-29 15:42:21. See below the changes in each version.
Complex RPN Calculator version 6.0
Updated At: 2026-06-29
Changes: Version History Fixed some bugs associated with setting the significant digits in FIX, SCI and ENG modes that were causing crashes
Changed the way Pi modifies the stack to make it more intuitive.
Added a mode to show the stack when in landscape mode. Be away that when you are entering a number, x will show as 0.
If you are experiencing button lag or don't like not being able to play music in the background, change Click Style to none and this will fix your problems. 6.0 09/18/2025 Updated to SwiftUI 5.0 07/10/2023 This update from Apple will improve the functionality of this app. No new features are included.
Updating with fancy new buttons. 3.0 01/09/2016 Updating links to point to new web page location. 2.3.1 05/25/2012 Updating graphics for new iPad. 2.3 04/17/2012 Moved to version 1.0 of cmpxRPNpro! 2.2 12/03/2011 Updated to fix a bug that most people won't see. 2.1 04/28/2010 Added support for iPad. 2.0 04/06/2010 Added complex number support to !.
Modify copy/paste to make if more intuitive for user.
Added visual button highlight to aid in accuracy.
Fixed a bug with the delete button when in angle mode.
Added a mode indicator to bottom of the display to indicate when in angle mode and removed angle indicator when angle is 0. 1.2 09/26/2009 Added the ability to control the click sound on the info page.
Added the ability to control the thousands separator and decimal separator on the info page.
Added a button that links to the web man page on the info page.
Renamed none number format to raw and created a new none that eliminates a lot of the ugliness that people complained about. When the number format is not none, it's displayed below number. 1.1 11/23/2008 1.0.2 10/25/2008 1.0.1 10/19/2008 1.0 09/27/2008
Complex RPN Calculator version 6.0
Updated At: 2025-09-18
Changes: Sep 18, 2025
Version 6.0
Fixed some bugs associated with setting the significant digits in FIX, SCI and ENG modes that were causing crashes
Changed the way Pi modifies the stack to make it more intuitive.
Added a mode to show the stack when in landscape mode. Be away that when you are entering a number, x will show as 0.
If you are experiencing button lag or don't like not being able to play music in the background, change Click Style to none and this will fix your problems.
Complex RPN Calculator version 6.0
Updated At: 2025-09-18
Changes: Fixed some bugs associated with setting the significant digits in FIX, SCI and ENG modes that were causing crashes
Changed the way Pi modifies the stack to make it more intuitive.
Added a mode to show the stack when in landscape mode. Be away that when you are entering a number, x will show as 0.
If you are experiencing button lag or don't like not being able to play music in the background, change Click Style to none and this will fix your problems.
Complex RPN Calculator version 5.0
Updated At: 2023-07-10
Changes: Jul 10, 2023
Version 5.0
Updated to SwiftUI
Complex RPN Calculator version 3.0
Updated At: 2016-01-09
Changes: Jan 9, 2016 Version 3.0
This app has been updated by Apple to display the Apple Watch app icon.
Updating with fancy new buttons.
Complex RPN Calculator version 3.0
Updated At: 2016-01-09
Changes: Jan 9, 2016 Version 3.0
This app has been updated by Apple to use the latest Apple signing certificate.
Updating with fancy new buttons.
Complex RPN Calculator version 3.0
Updated At: 2016-01-09
Changes: Jan 9, 2016 Version 3.0
Updating with fancy new buttons.
Complex RPN Calculator version 3.0
Updated At: 2008-09-27
Complex RPN Calculator version 3.0
Updated At: 1970-01-01
Changes: 2016年1月9日 Version 3.0
Updating with fancy new buttons.
Complex RPN Calculator version 3.0
Updated At: 1970-01-01
Changes: 2016年1月9日 Version 3.0
This app has been updated by Apple to use the latest Apple signing certificate.
Updating with fancy new buttons.
Disclaimer
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