![](http://www.alamy.com/thumbs/6/1FC5F0DA-F1A8-4679-8605-3EA36FEF66E2/G2H2RP.jpg)
Pi sign day
Size: 5000px × 6849px
Photo credit: © Miceking / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 3, 14, computer, digital, education, equation, formula, genius, geometry, graphic, greek, icon, illustration, irrational, isolated, logo, math, mathematical, mathematics, number, pi, pictogram, ratio, school, science, sign, silhouette, studying, symbol, university, vector