People have been interested in circles for a long time. One can imagine early humans attaching a cosmic significance to circles. After all, the two greatest objects in the sky, the sun and the moon, are circles. We know that by at least 2000 BC, humans had discovered an important universal property of all circles. If you measure a circle's perimeter (circumference) and divide by its width (diameter) you get a number that is the same for all circles. Today we call this number pi and its value is 3.14159265358979323844.... where the digits go on forever. This book is an exploration of beautiful and unique drawings that can be interpreted from the value of pi. The book contains 357 of these drawings. It is an art book meant to ignite your creativity and imagination. No mathematics is required. There are two appendices that contain a very short explanation of some of the mathematics behind pi and how the images are created, indexed by name. Details can be found in our book "Pattern Generation for Computational Art".
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