Archive for September, 2007

Rene Descartes’s geometry

• September 14, 2007 • Leave a Comment

Trigonometry

• September 14, 2007 • Leave a Comment

Isaac Newton’s study of lenses, light and prisms

• September 14, 2007 • Leave a Comment

Discovery of pendulum by Galileo

• September 14, 2007 • Leave a Comment

Acts That are Permissible During the Fast

• September 14, 2007 • Leave a Comment