BioWin is still the one of the best Windows based biorhythm tracking program. It will chart Emotional, Physical, Intellectual, and Intuitional Biorhythms. (Yes there really are 4!) Prints chart for current month or full year of charts on one page.
Supports sound card, and color printers. Will compare biorhythms of two people and show in wave or bar chart form, compatibility. And now will show good/bad days for the next 5 years and help files are included.