Uploaded June 2020 | Updated September 2026, 2 weeks ago

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There was a surge in popularity of Biorhythm studies in the late 1970's and early 1980's. It seems that most respected scientists dismissed it as a pseudoscience at best. This calculator lets you enter birth dates and find your biorhythms and those of others for compatibility purposes. Don't take it seriously, I just like old electronics like this!

Chapters:
0:00 Introduction
5:15 Pseudoscience?
6:46 Basic Calculator Operations
7:32 Biorhythm Operations
14:59 Closing Comments