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GO-21 SciRPN

GO-21 SciRPN simulates the venerable HP-21 Pocket Scientific Calculator from 1975

GO-21 SciRPN simulates the venerable HP-21 Pocket Scientific Calculator from 1975

GO-21 SciRPN

by Stephen Lidie
GO-21 SciRPN
GO-21 SciRPN

What is it about?

GO-21 SciRPN simulates the venerable HP-21 Pocket Scientific Calculator from 1975. Virtually indistinguishable from the real item in operation, GO-21 is a powerful yet simple retro calculator.

App Details

Version
7.1
Rating
(12)
Size
10Mb
Genre
Utilities Productivity
Last updated
September 17, 2024
Release date
August 28, 2009
More info

App Screenshots

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App Store Description

GO-21 SciRPN simulates the venerable HP-21 Pocket Scientific Calculator from 1975. Virtually indistinguishable from the real item in operation, GO-21 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
• One storage register with arithmetic memory operators
• Math, trigonometric, polar/rectangular, logarithmic, power and other miscellaneous functions
• One additional window with views of:
◦ stack/storage registers
◦ keystroke log
• Copy-from and Paste-to the calculator display
• Simple Paper Tape annotations

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