Pi is used by mathematicians to represent the ratio of a circle's circumference to its diameter. It is a mathematical constant and an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers. Pi is approximately equal to 3.14159 and is commonly written this way, however, Pi's decimal representation is never ending. This shirt displays the symbol of Pi, , using the number Pi to hundreds of decimal places. Pi, made out of Pi! Embrace your inner irrationality with the most popular of the irrational numbers. Perfect for mathematicians with a love for geeky t-shirts.
Please refer to the below sizing guide to find the best fit for you. Shirts tend to run large for women.