Displays all guitar chords on frets, from C through B including sharps/flats. adjusts for major and minor chords. Superimposes the location of 4ths, 5ths, 6ths, and 7ths as required.
Useful for those learning chords on the guitar or for reference. Was intended for use to identify chords on a guitar, to train a keyboard player who needs to accompany the guitarist.
If you're interested in Maths trainers, there are also an Integer Trainer, Straight Line Trainer, Logarithm Trainer, Factorisation Trainer, Trig Trainer an a Simple Calc.