2nd best day of PI
2 nd best days of pi or π (complete references for items of a factual nature can be found in Wikipedia at http://en.wikipedia.org/wiki/Pi Today, 3-14-15 is one of many days that consist the group called the 2 nd best days of pi. Basically this group includes all March 14 in the year 15, 115, 215,…2015, 2115 and so on. The best day of pi was March 14, 1592 (3.141592). The mathematical constant of pi is believed to have been a part of early Egyptian buildings as early as 2589 BC because the ratio of height to perimeter of the Great Pyramid of Giza comes to 6.2857 which is approximately 2π. Tablets have been found in Egypt and Babylon where pi is represented to 1% of its actual value. The Greeks in 250 BC came up with Archimedes' constant which is a polygonal algorithm used to calculate pi. The Persians, Chinese and Indians all had mathematical representations to calculate pi. In the 16 th and 17 th centuries a new method for calculating pi was d...