Matrix TCL 

This is a C++ template class library to perform matrix calculations with ease and efficiency in your programs. It supports most of the matrix calculations that you may need to do in your C++ programs. Full source code is included with the package.
c++ matrix template class library lu decompositions linear equations eigen value vector arithmetic

Guitar Power - PalmOS Edition 

The Ultimate Scale, Chord and Arpeggio Reference for Guitarists. Guitar Power is an interactive learning system. Quickly and easily use scales, chords and arpeggios. Any style or level - learn the secrets of the pros and play like your guitar heroes.
guitar guitarist guitar player guitar software guitar teaching guitar lesson scale scales mode modes chord chords triad triads

Guitar Power 

The Ultimate Scale, Chord and Arpeggio Reference for Guitarists. Guitar Power is an interactive learning system. Quickly and easily use scales, chords and arpeggios. Any style or level - learn the secrets of the pros and play like your guitar heroes.
guitar guitarist guitar player guitar software guitar teaching guitar lesson scale scales mode modes chord chords triad triads