Gh0st
Australia's finest since 1981
Droid48 is an Android OS port of the hugely popular HP48 scientific calculator by Arnaud Brochard once aagin.
Last updated November 15 2012, it is in active development.
Emulator of the HP 48 scientific calculator, using RPN. Port of the X48 project (sources available on github). HP48's "grayscale mode" cannot be emulated.
Visit www.hpcalc.org for a large program collection.
Cool tip: tap the HP's LCD to show/hide a simpler numeric pad !
Source & Download - https://play.google.com/store/apps/details?id=org.ab.x48&feature=more_from_developer