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RPN calculator - FREE

by ATH0, Version: 1.8.1 , 33 KB  

Package name: com.ath0.rpn , Last Update: 2012-10-13 19:50:19

64 ratings (3.984 average)

5,000-10,000 downloads

What's new in this version (1.8.1):

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).

2.0.1 fixed haptic feedback to occur when a key is touched (rather than when it is released), and should eliminate audio feedback playing twice.

Version 2.0 added a redesigned Holo UI and requires Android 4 (Ice Cream Sandwich). It als


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

Found a bug? E-mail

Last comments from Android Market

T-Mazter (*****)
I love this

John (****)
I have been looking for a tenkey calculator and this one is close. If you develop a a real tenkey I am a customer.

oxymoron (***)
Can't see the bottom line of number buttons on my model in portrait view (0, ., +/-, +)

rick (****)
wish I could toggle haptic feedback

Jim (****)
This is the one I've been waiting for. An rpn calculator to replace the built in with buttons large enough to hit.

Steven (***)
Not bad. Need to be able to run off the vibrate when hitting the keys.

Shreyas (**)
Could not figure how 2 use this, no clear or = button, uninstalled.

fred (***)
Nice basic calc

The U (**)
Basic rpn is ok, but would much more useful if stack could be rotated (argument 2 --> arg 1). Looking fwd to next rev.

Joseph (*****)
Excellent quick calculator and RPN remains the warp drive for embedded calcs. Rock solid operation on Droid.

RPN calculator screenshot 1

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