Advanced biorhythms calculator. Knowing your biorhythms, you can be sure about what to expect from each day in order to succeed at sports, dating, business, negotiations, exams, or job interviews. Be a winner in any situation!

Bio-Rhythms calculates the high, low and critical periods of your emotional, intellectual and physical cycles with an optional master cycle to give you an indepth look at what's in store for you.

The 'Cell' educational software describes the cell structure and the cellular processes with text, scanning electron microscope images, 3D models and animation clips. It is intended for grades 8 to 13 , and for first year students of biology , ph...