A scientific RPN calculator inspired by traditional HP calculators but created specifically for the iPhone and iPod touch. It features a standard four level stack with multiple display options, and BCD math for accuracy. Provides ten memory storage locations with arithmetic access functions.

RPN Scientific Calculator alternatives

powerOne Scientific Lite

Powerful scientific and graphing calculator includes algebraic, RPN input and over 400 free calculations. Create your own, keep a history and share with others. Access programmers math, complex numbers, matrices and more via in app purchase* Save a history of all calculations automatically * Share results by simply entering a recipient

  • rating 5.0
  • size 8.7 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

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

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

HP 15C Calculator

Bring your nostalgic fondness for the HP 15c Scientific Calculator to your latest iOS devices with the authentic HP 15c calculator app from Hewlett Packard. This RPN calculator offers the features, algorithms and calculation sequences of the original 15c Scientific Calculator conveniently stored on your iPhone, iPad or iPod Touch. FEATURES: Authentic app, developed by HP Award-winning HP Support Identical algorithms and calculation sequences as the original HP 15c Calculator RPN data entry Matrix calculations Complex functions real and imaginary SOLVE key find the root of an equations Numerical integration Ideal for math and engineering students and professionals Programmable up to 448 lines

  • size 25.9 MB