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Trilithon Protractors is a Mac OS X app for web developers and graphic designers...

Teaches the concepts of decision trees for regular pattern recognition.

ASL Dictionary allows you to learn American sign language.

GRE Calculator is designed to help you with long calculations.

Prepare for the Adobe Certified Expert (ACE) product proficiency exam.

Time Out reminds you to take regular breaks when using a computer for hours to avoid bad habits and over-straining.

Windows

Windows Mac

Josh Senick

Free

Calculates sound wavelengths for given frequencies and temperatures.