Changes

==Pi in mathematics==

==Pi in mathematics==

It's impossible to overestimate the importance of pi (and [[e]]) for mathematics. These values are tied by [[Euler's identity]]:

It's impossible to overestimate the importance of pi (and ''[[e]]'') for mathematics. These values are tied by [[Euler's identity]]:

:<math>e^{\pi \imath} +1 = 0</math>.

:<math>e^{\pi \imath} +1 = 0</math>.