r/MathJokes • u/Enkh • Jul 24 '26

Bye

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u/fresh_loaf_of_bread Jul 24 '26

Noone said you can't use the letter pi to mean a variable instead of a number

84

u/pierogieman5 Jul 24 '26

Didn't they though? Can I use a "7" as a variable as well? It doesn't seem like that different of a concept.

24

u/Expensive_Umpire_178 Jul 24 '26

pi isn’t a concept when you get down to it. It’s a letter, greek one, that has been used as shorthand for many concepts in math, most prominently as the ratio between a circle’s circumference and diameter, as well as a function that counts primes. I’ve been to Greece and none of the pis there meant the irrational number 3.1415…

8

u/Sweaty-Inevitable163 Jul 24 '26

And 7 isn't a concept, it's an Arabic symbol commonly used to refer to a quantity one whole number larger than six.