Touch 11i is a full-featured RPN calculator that implements most functions of the beloved HP-11C calculator. It is feature-complete (including programming and subroutines).This is the free version. Check out the premium version (same name: Touch 11i) for many extra features like vertical layout, save memory image, and more.

Touch 11i scientific RPN calculator lite alternatives

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

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

FX 570ES Plus Scientific Calculator Pro

Scientific Calculator is a full-featured RPN calculator that implements most functions of the beloved calculator. It is feature-complete (including programming and subroutines).Yes, you will have the best calculator with your iPhone, not need calculator machine anymore for your work Just use this app, NO ADS in app, full function, and the great graphic

  • rating 4.8
  • size 12.4 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