This download outlines a brief but extensive description of the history of computing π. The notes include developments in Egypt, China, India, as well as the advanced in the western world. Each milestone in development is referenced by the mathematician, the year, the region, and the formula developed. There are 10 infinite formulas defined in the notes (infinite series (sums), infinite products, and infinite continued fractions). Eight of the formulas are generalized infinite formulas; in o