File backup for Windows. Free and open source.

The Windows nightly builds for MuseScore are now hosted by MuseScore.org. http://prereleases.musescore.org/windows/nightly/

Converts equations from standard mathematics notation to JavaScript notation. For example, 5 sin(2x) + 3^2 (standard mathematics) becomes explicitly, 5*sin(2*x)+3**2 (JavaScript notation). It understands implied multiplication and the use of caret (^) for powers.

Programs for your handheld graphing calculator that remember formulas, find solutions, and even show step-by-step work for solution.