GO-25 SciRPN 4+

Name: GO-25 SciRPN
Price: 39 DKK
Author: Stephen Lidie

Stephen Lidie

- 39,00 kr

Beskrivelse

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

15. maj 2024

Version 5.0

- New Settings option, Auxiliary View Assist, enables draggable buttons for quickly opening / closing the stack window.
- New Settings collection, Accessibility, groups High Visibility Display, Magnify Calculator and Auxiliary View Assist.
- The Settings option Auto-On now defaults to YES.
- Remove vestigial iOS 9 Settings option that assisted in migration from iCloud Documents to iCloud Drive for program storage.
- Battery power level reporting has changed in iOS, iPadOS and macOS: adjust power level monitoring algorithm to compensate.
- Bug fixes, miscellaneous improvements and internal modernization.
- Refresh documentation.
- Update for macOS 14.5.

Wonderful

It feels a little silly to use the iPhone to emulate a HP25, but it is also deeply satisfying. HP25 is still my preferred calculator for the everyday calculations. I grew up with that machine and my brain still is attuned to it.

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11,4 MB

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