A history of [pi] (pi). 
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Review: A History of Pi
User Review  GoodreadsDear Goodreads Admins: Please rig your system so that the average star rating for this book is equal to the ratio of a circle's circumference to its diameter, rounded to three significant digits ... Read full review
Review: A History of Pi
User Review  GoodreadsBrief and easy read. Easy once you get past all the complicated math. The persisten jabs at communism and Soviet Russia have absolutely nothing to do with the history of pi, but can appreciate that ... Read full review
Common terms and phrases
17th century Alexandria algebraic angle approximation Archimedes Archimedes of Syracuse arctangent astronomer axioms Babylonians brim calculating 11 calendar century B.C. circle ratio circumference compasses compasses and straightedge construction continued fraction convergence cubits curve decimal digits decimal places derived diameter digit hunters Dinostratus discovered discovery Egypt Egyptians equal equation Euclid Euclidean Euclidean geometry Euler example ﬁgure ﬁnd ﬁrst geometry given Greek Heisel Hippias Hippocrates history of 11 Huygens infinite integral intersection Kings known Laplace later laws Leibniz Leonhard Euler machine mathematician mathematics Maya mediaeval method needle Newton notation obtained Pascal probably problem proof proved Ptolemy published quadratrix radius rectangle result Roman Rome rope scientiﬁc segment sides Snellius squarable square roots square the circle stone straightedge Syracuse theorem theory tion transcendental triangle University of Alexandria value 11 value of 11 Viete Viete’s vigesimal Wallis