JavaCalc

An integer-oriented calculator based on the HP-16C; written in Java.

For a Mac OSX version with more features, click here.

Time Tracking and
Project Manaagment
Easily keep track of time spent on
multiple projects
Great for designers, contract workers,
lawyers, etc.
Inexpensive. Free 30-day trial.
www.inertron.com/inertrak

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