RPN 28x Calc 3.5.4

RPN 28x Calc 3.5.4

tredje design – Commercial – iOS
out of 30 votes
Latest Version
3.5.4
Safe to install
EXCELLENT User Rating

RPN 28x Calc is a programmable scientific calculator featuring a classic design, offering a modern and user-friendly experience where operands can be interacted with via the display's touch capabilities.

Being a reverse-polish notation (RPN) calculator, it showcases a dynamic stack display that conveniently expands as more values are added. Navigation through the display on an iPad is effortless - simply swipe for more lines or reorder levels and modify stack values as needed.

Advanced functionalities are accessible through a secondary panel on iPad or as alternative button pages on iPhone. The interface is thoughtfully organized into five pages for quick access:

  • user-defined buttons,
  • letters A-Z for typing,
  • trigonometric, logarithmic, and data manipulation commands,
  • statistics, storage and programming commands,
  • binary integers, system flags and boolean logic.

RPN 28x Calc distinguishes itself in various aspects:

  • Select and issue commands for a chosen level by tapping a row.
  • Rearrange the stack by dragging rows in REORD mode.
  • Scroll through levels by swiping the display up or down.
  • Efficiently reposition the cursor by tapping digit keys when entering values.
  • Modify status indicators at the top of the display with a tap.
  • Customize button layout by dragging buttons - configure this option in settings.

Exclusive to iPad:

  • The display automatically adjusts to show more than four stack levels.
  • Easily navigate button pages by sliding the secondary panel in or out of view.

Additional features include:

  • 147 scientific units and elementary physical constants,
  • Commands for upper-tail probability distribution,
  • Interactive program debugging.
  • RPN 28x Calc provides:

    • High-precision arithmetic calculations,
    • Support for multiple data types such as real numbers, complex numbers, binary integers, lists, arrays, vectors, matrices, programs, names, and strings,
    • Customizable variables creation with a variable viewer for inspection,
    • A rich command set for programming,
    • Button creation and reordering for personalized programs,
    • Browsing of scientific units and constants in the units viewer,
    • Access to command history and results in the log viewer,
    • Adjustable button click and alert volumes,
    • Landscape orientation support,
    • Haptic feedback on iPhone,
    • External keyboard compatibility,
    • Dark Appearance mode since iPadOS 13 or iOS 13,
    • An alternative dark app icon,









The application ensures a smooth cross-device experience between iPad and iPhone. Use it conveniently across various iPad multitasking views, like Slide Over or Split View. RPN 28x Calc prides itself on being ad-free, respecting user privacy with no tracking or intrusive rating requests. Furthermore, a downloadable user guide detailing an introduction and command reference is available in PDF format.

Promised updates include support for arithmetic expressions in future releases, enhancing functionality and versatility even further.

Overview

RPN 28x Calc is a Commercial software in the category Business developed by tredje design.

The latest version of RPN 28x Calc is 3.5.4, released on 03/17/2024. It was initially added to our database on 03/17/2024.

RPN 28x Calc runs on the following operating systems: iOS.

Users of RPN 28x Calc gave it a rating of 5 out of 5 stars.

Screenshots (Click to view larger)

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