Why is [math]\pi[/math] such a special number?
What is so special about π?
What is the value of [math] πe? [/math] If we used base π, so that π itself were written as 10, how would that affect the representation of the rest of mathematics? How is the value of π (Pi) actually calculated? What is pi (d^2) /4? Why does the Pi sign (π) represent revenue/profit in Economics? Is there a base where Pi is a rational number? How can we represent pi on the real number line by some geometric construction? What's 2 pi? Can you prove that [math]\pi+e[/math] is not a rational number? Is [math]\pi[/math] the only non-repeating number? How is the value of [math]\pi[/math] calculated? Why doesn't Pi have a 0 in its first 30 digits? What is a PIL? What is the difference between Pi and Tau? What is the significance of the projective plane in mathematics? Is Pi wrong? Is Tau the correct circle constant? Is pi equal to 22/7? What is PIL? If 22/7 is rational, why is pi irrational? How do we know our calculation of the value of pi is correct to as many digits as we've calculated it to? Why is infinity minus infinity equals to pi? What are the last 30 known digits of pi? What's the difference between 使, 让, and 叫? What are the last known 30 digits of pi? Why does e^ (pi*i) =-1? How do you know how many digits are correct when computing pi? How can you prove e^πi+1=0? Geometry: Why are there [math]2\pi[/math] radians in a circle? Is Pi a "multiversal" constant? Does the number pi count as an infinite number or is it that it is simply very big and not infinite?