Mondal Books || since 2003

   Book 50 || Pi by Scott Hemphill Book 50 || Pi by Scott Hemphill *Pi* by Scott Hemphill is a fascinating exploration of the history, computation, and cultural significance of the mathematical constant π (pi). Originally published in 1993 and now available in both public domain and print editions, the book delves deeply into the methods used to calculate millions of digits of π, particularly focusing on Borwein’s algorithm and a custom divide-and-conquer multiplication technique coded in 68020 assembly language. Hemphill conducted these calculations on a 25 MHz HP 9000/370 computer, producing over 2.5 million digits of π with impressive precision. Beyond the technical details, the book also covers the broader historical context and amusing anecdotes related to π, such as the infamous 1897 “Indiana Pi Bill,” which attempted to legislate an incorrect value ...