GO-21 SciRPN

Utilities

USD 2.99

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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- Update for iOS 18.0, iPadOS 18.0, tvOS 18.0, macOS 15.0.

The developer, Stephen Lidie, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    • Seller
      • Stephen Lidie
    • Size
      • 11.3 MB
    • Category
      • Utilities
    • Compatibility
      Requires iOS 14.0 or later.
      • iPhone
        Requires iOS 14.0 or later.
      • iPad
        Requires iPadOS 14.0 or later.
      • iPod touch
        Requires iOS 14.0 or later.
      • Mac
        Requires macOS 11.0 or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
      • Apple TV
        Requires tvOS 12.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • Copyright (©) 2009 - 2024 Stephen O. Lidie. All rights reserved.