Ocupation: Author
Life: b. May 28, 1946
Birthday: May 28
Pi is not merely the ubiquitous factor in high school geometry problems; it is stitched across the whole tapestry of mathematics, not just geometry's little corner of it. Pi occupies a key place in trigonometry too. It is intimately related to e, and to imaginary numbers. Pi even shows up in the mathematics of probability
topic: School, Numbers, Keys, Trigonometry, Imaginary Numbers