Edward Falk

RpnCalc is the best RPN calculator on the Android Market.It has an interface that users of the HP ca

RpnCalc Financial is the oldest top-rated financial calculator on the Android Market.It has an inter

Does what it says on the tin. This is a basic barometric pressure altimeter. Uses your Android devic

A very simple diagnostic application. Intended for developers to help debug screen resource issues.

Aircraft navigation software. Still in development. Please contact falk@efalk.org with comments, sug