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Happy Pi Approximation Day 22/7!
Happy Pi Approximation Day 2013! If you don’t know what the heck I’m talking about, then allow me to explain. In mathematics, science & engineering, π is regularly used in descriptions of circular motion. This includes electrical waveforms and A.C. theory. Today is the 22/7, and mathematicians commonly use the fraction 22/7 as an approximation of π. […]