RPN Anywhere vs GO-25 SciRPN Usage & Stats
This is a simple RPN Calculator which can use on iPhone and Apple Watch.
*** Important! ***
This calculator uses reverse Polish notation for input, and the operation method is different from a normal calculator using infix notation.
If you don't know about RPN Calculator, you should not purchase this app.
How to use
- All devices
> Green up-arrow is ENTER button
> Stack size can be changed at Setting Screen
> Settings button is gear icon in keypad
> Can change number format from Settings.
- iPhone / iPad
> Stack view is scrollable and can show all values in the stack
> To delete a value in the stack, swipe left on the value in stack view and tap Delete button.
> To delete last typed digit, swipe right on stack view
> Swipe action can be modified at Settings Screen
> Programs trace key operations registered in Program Settings Screen
> Setting button is replaced as other actions button while editing programs
- Apple Watch
> To show values in stack, swipe down on anywhere on the screen
> To back to main screen from stack view, swipe up on the screen
> To show scientific operators, swipe up on the screen
> To back to main screen from operators screen, swipe down on the screen
> Stack view and program view is scrollable with digital crown
> To delete last typed digit, swipe right on anywhere at Main screen
> Program view shows all programs registered in iPhone. you can't register new program on Apple Watch
- Apple App Store
- Paid
- Utilities
Store Rank
- -
GO-25 SciRPN simulates the venerable HP-25C Programmable Scientific Calculator from 1976. Virtually indistinguishable from the real item in operation, GO-25 is a powerful yet simple retro calculator.
• RPN (Reverse Polish Notation)
• 10-digit LED calculator display, 10-99 to 10+99
• Four stack registers with roll down
• Ten storage registers with arithmetic memory operators
• Math, trigonometric, polar/rectangular, sexagesimal/decimal, logarithmic, statistical, power and other miscellaneous functions
• Programmable, with annotated program listing, and memory for 99 program steps
• Library of Sample Programs
• Fast, slow or single step program execution
• Program import via pasteboard or from other Apps
• Program export via printer, email, pasteboard or to others Apps
• iTunes program File Sharing
• Two additional windows with views of:
◦ stack/storage registers
◦ keystroke log
◦ program source code
◦ program documentation
• Copy-from and Paste-to the calculator display
• Simple Paper Tape annotations
- Apple App Store
- Paid
- Utilities
Store Rank
- -
RPN Anywhere VS. 
GO-25 SciRPNDecember 31, 2024