Tiny but smart calculator: just type in any expression, like "2+3/7.1-3sqr 5", and hit Enter; then modify it and evaluate again without re-entering everything. 18-digit precision, 30 functions, 12 memories, fractions, deg/min/sec, more!

Innovative, easy-to-use typing tutor. Experienced or beginning typists love finger tip pictures, on-screen keyboard, and friendly reminders. Includes practices, tests, detailed progress history, custom drills, and game. Supports multi-users!...

DigitizeIt can automatically digitize (x,y)-data from scanned graphs. Data values are transformed to a specified axes system and can be saved in ASCII format, ready to use in other applications. Can read most image formats (gif, png, tiff,bmp).