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ASL Dictionary allows you to learn American sign language.

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

GRE Calculator is designed to help you with long calculations.

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

Teaches the concepts of decision trees for regular pattern recognition.

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

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Windows Mac

Chris Venter

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Takes series of telescope camera pictures