It’s Pi Day – the day that math geeks across the globe collectively pause to celebrate the first three digits of pi, or 3.14.

The mathematical constant, which is the ratio of a circle’s circumference to its diameter, can be used to find the area or circumference of a circle — along with that of the pie you’re hopefully enjoying right now.

See how many digits of pi can you recite here . . .

It’s a most auspicious holiday for math lovers. Saturday, March 14, 2015 is Pi Day, a celebration of the irrational number that describes the ratio of a circle’s diameter to its circumference. Pi is approximately 3.141592653, but it continues at random to infinity. No matter how many numbers after the decimal place you use, the only way to get it exactly is to use the symbol pi.
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Spoiler Alert:   i 8 sum Pi 
h/t: Doodle Craft