A Better Date Calculator - Calculate difference between two dates or compute a new date by adding or subtracting days or weeks from a selected start date. It is also a unixtime/timestamp converter. Both conversions are supported, to unix timestamp and from unix timestamp. Handy productivity tool for system administrators
Alcohol Price By Volume Calculator is a simple calculator for Android phones that will tell you how much "pure" alcohol is in a drink and how much it costs per unit. The idea was to make it quick-and-easy to compare two bottles of differing price and percentage alcohol while in the store
All-in-1-Calc Free - Free version of All-in-1 Calc.
Powerful and easy to use scientific/programmer's calculator. Nice UI with large buttons, haptic feedback and digit grouping.
All the usual scientific functions plus unit & currency converters, constants and hex/dec/bin/oct functions
An Android version of the Reverse Polish notation (RPN) calculator. In the version 0.1 it can process a few math commands and has menu bar functionality.
The following features are planned to be implemented:
GUI look&feel (menu buttons, multi-functional buttons, context-sensitive button)
Different GUI's for HVGA and QVGA
550cord.com provides interactive military training tools and resources. 550cord.com 's Army Physical Fitness Calculator from FM 21-20 / AR 600-9. APFT calculator, body fat calculator, timer and stopwatch w/lap feature