Happy Pi Day, fellow nerds! The yearly celebration of the mathematical constant π or pi, aka the ratio of a circle’s circumference to its diameter (and here I thought I’d never get a chance to use 9th-grade geometry in real life!). It falls on March 14 because pi written out numerically is 3.14... and then goes on…
from Gizmodo https://ift.tt/3qNy6ri
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