RPN calculator

RPN calculator


RPN is a four function calculator designed to replace the standard Android calculator. It features large buttons designed for easy touchscreen use. It operates using Reverse Polish Notation, uses high accuracy decimal arithmetic internally, and has a fixed point scrollable display.

The code is open source and available at https://github.com/lpar/RPN

Found a bug? E-mail [email protected]

Recent changes:
2.0.4 fixes a crash and allows raise to fractional powers.

2.0.3 tweaks font sizes when system font size is "Huge", to avoid a layout glitch.

2.0.2 fixes visual glitching on Galaxy Nexus running Jelly Bean (Android 4.1).

Version 2.0 added a redesigned Holo UI and requires Android 4 (Ice Cream Sandwich). It also added a square root function. Version 1.x is still available for older phones.
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Free
85
4.3
User ratings
158
Installs
10,000+
Concerns
0
File size
114 kb
Screenshots
Screenshot of RPN calculator Screenshot of RPN calculator
About RPN calculator
RPN is a four function calculator designed to replace the standard Android calculator. It features large buttons designed for easy touchscreen use. It operates using Reverse Polish Notation, uses high accuracy decimal arithmetic internally, and has a fixed point scrollable display.

The code is open source and available at https://github.com/lpar/RPN

Found a bug? E-mail [email protected]

Recent changes:
2.0.4 fixes a crash and allows raise to fractional powers.

2.0.3 tweaks font sizes when system font size is "Huge", to avoid a layout glitch.

2.0.2 fixes visual glitching on Galaxy Nexus running Jelly Bean (Android 4.1).

Version 2.0 added a redesigned Holo UI and requires Android 4 (Ice Cream Sandwich). It also added a square root function. Version 1.x is still available for older phones.

Android Market Comments
A Google User
Jun 2, 2015
Trig functions? Did I miss something? Where are the trig functions?
A Google User
Mar 21, 2015
Simple, beautiful, efficient I love the design! Very simple calculator almost perfect at what it does. Only thing: PLEASE move the enter button to the right side.
A Google User
Mar 3, 2015
Simple. Does all the things I need.
A Google User
Oct 10, 2014
Perfect for my needs! I used fancy HP rpn scientific calculators in school and work back in the day, and find RPN very intuitive. These days I only ever do basic arithmetic and this is the perfect simple rpn calculator for that.
A Google User
Sep 5, 2014
Lovely RPN calculator It took me a long time to find a nice one. Well done.
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