Pepper stand at Central Market in Houston, Texas, with Scoville scale. Unlike methods based on high-performance liquid chromatography, the Scoville scale is a subjective measurement dependent on the capsaicin sensitivity of testers and so is not a precise or accurate method to measure capsaicinoid concentration.
By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it. Unlike some responses on this forum, PI does not equal 22/7 there is a slight difference.
Why Is the Greek Letter Pi the Symbol for That Mathematical Ratio Anyway? If the spike in lookups of pi at Merriam-Webster.com are any indication, many caught wind that today was Pi Day but weren't quite sure why. Pi is the English spelling of the sixteenth letter of the Greek alphabet. It means both the symbol Ï denoting the ratio of the circumference of a circle to its diameter and the ratio itself: a transcendental number having a value rounded to eight decimal places of 3.14159265..