what does pi equal?
pi = 3.14159265
Most of the time we just use 3.14 for pi.
The mathematical constant π (pronounced as "pi") is a mathematical constant that represents the ratio of a circle's circumference to its diameter. Its value is approximately 3.14159, but it is an irrational number, which means it has infinitely many decimal places that never repeat or terminate.
To calculate the value of pi to a higher accuracy, mathematicians have used various methods throughout history, such as geometrical approximations or infinite series expansions. However, the most common way to use pi in calculations is to use an approximation like 3.14159 or use the π symbol (∏) in formulas.
There are also many computer algorithms, like the Bailey-Borwein-Plouffe formula or the Chudnovsky algorithm, that are capable of calculating pi to billions or even trillions of decimal places. These algorithms utilize mathematical formulas and computer power to compute the value of pi more precisely.