Just like the digits of Pi 3.14. That is the ratio between the diameter and circumference of a circle. Wear this cute 314 Math Pie/Pi outfit year after year and celebrate a happy Pi Day with this funny mathematics pun featuring the greek letter pi used as the mathematical symbol for the irrational number. An awesome present for your math lover son, daughter, girl- or boyfriend, dad, mom, studying algebra, geometry, calculus, or trigonometry, for math teachers, professors, students, mathematicians, software engineers, science nerds and geeks for 314 Pi Day. It's the perfect present for guys dad daddy father husband ladies mom mother wife children son daughter brother sister boys girls grandma grandpa grandfather grandmother uncle aunt cousin nephew friend colleague. Great gift for Birthday, Christmas, New Year, Thanksgiving, Halloween, Hanukkah, Father's Day, Mother's Day, Parent’s Day, Pi Day.

• Package Dimensions ‏ : ‎ 14.5 x 9.5 x 2 inches; 11.2 ounces
• Date First Available ‏ : ‎ February 15, 2022
• Manufacturer ‏ : ‎ Pi Day Pie Math Lover Geek Nerd Gift 3.14 Teacher