The Ultimate Scale, Chord and Arpeggio Reference for Guitarists. Unlike ordinary chord and scale books, GuitarPower is a truly interactive learning system. Quickly and effectively learn to use scales, chords, arpeggios and notes. GuitarPower - PalmOS Edition will teach you: Over 3000 chord voicings, over 500 scales, over 550 arpeggios, triads in any inversion, notes on the fretboard, how to name your own chords. GuitarPower includes the following features: * All chords fully fingered * Displays formulas and notes contained within selected chord, scale etc. * Scales and Arpeggios can be displayed over the whole fretboard or restrictred to one position * Suitable for all levels of guitarist - beginner to professional * Both right-handed and left-handed display is supported