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Helps kids to practice problems in addition und subtraction.

Build Creative Equations While Practicing Math Facts

Find prime numbers.

Securely store all of your registration data

Convert a number from any base, or express a number in words.

Find the number of string occurrences within a large text.

Automator action adds sequence number to files.

Adds a number of video codecs to QuickTime-based applications.

Screensaver that visualises number of votes new headlines are receiving on Digg

Kakuro is a Japanese number game similar to Sudoku.