Lightweight Optimized HP Style Reverse Polish Notation(RPN) Calculator. Features:- Optimized Key Layout- Big Enter and Zero Key- No Triangle Functions or 2nd Function key.- Conditional DUP/DROP key(Enter/Backspace)- Conditional E/E- key(Period)- Right hand optimized design- Paste from clipboard- Copy to clipboard(Tap stack)Additional features from lite version.- Inverting layout for left hand using(Optional)- Stack Label(Optional)- Auto Sum(Optional)- Shake to Reset(Optional)- Auto Copy to Clipboard(Optional)- Suppressing Click Sound(Optional)Infinity Stack- Deep stack without limitation except memory capacity.- Stateless Design, Reset all condition when launching. Responsive Touch- Simple UI response is quicker than rich UI or HP emulators.- Click sound (2 pattern,numbers or others)

RPN Calculator DeepStack(Full Version) alternatives

PCalc - The Best Calculator

PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations. Includes an Apple Watch app, so you can calculate on your wrist

  • rating 4.65625
  • size 68.2 MB

RPN Calculator 48

RPN Calculator 48 is a polished RPN replacement for Apples built-in calculator:- Starts quickly- Large buttons- Easy-to-read display- Same scientific functionality as Apples calculator- 100 entry stack (4 to 7 visible)- 6 memory buttons (A-F)- 50+ levels of undo/redo- Saves state on exit Use swipe gestures to undo/redo operations The ergonomics (screen and keyboard layout) of RPN Calc. 48 were inspired by HPs outstanding 48-series calculator. 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book).

  • size 0.7 MB

Retro 15C

Students and scientists from the 1980s will remember the classic RPN scientific calculators. These calculators strike a perfect balance between functionality and complexity. I love this calculator and I like to share.

  • rating 4.84
  • size 5.6 MB

my41CX

my41CX is an advanced programmable and expandable RPN Calculator. It is a functionally equivalent to the world famouse HP-41C/CV/CX calculator. Calculator features:- Functionally equivalent to the HP-41C/CV/CX- Programmable- Four module ports provide access to HP-41 expansion pacs- 63319 Memory registers (depending on the model emulation)- 4412233 Program steps (depending on the model emulation)- Support for .MOD files- Beautiful and clean user interfaceNote:- Beep is not supported

  • rating 3.4
  • size 14.0 MB

Free42

Free42 is a re-implementation of the HP-42S calculator and the HP-82240 printer. It is a complete rewrite, not using any HP code, and it does not require an HP-42S ROM image. The executables and source code are released under the terms of the GNU General Public License, version 2.All third-party code used in Free42 is either in the public domain, or licensed under terms compatible with GPLv2, or used with the authors permission.

  • size 6.7 MB