All about pi.
Tomorrow, March 14, is pi day. pi is used as 3.14 in most schools now. pi is used to find the circumference of a circle with the diameter or radius, and the diameter or radius with the circumference. Pi is an irrational number, which means that its value cannot be expressed exactly as a fraction. pi is an irrational number, meaning that it cannot be written as the ratio of two integers. The belief in the irrationality of π is mentioned by Muhammad ibn Mūsā al-Khwārizm in the 9th century.
The name of the Greek letter π is pi, and this spelling is commonly used in typographical contexts when the Greek letter is not available or its usage could be problematic. It is not capitalised (Π) even at the beginning of a sentence. When referring to this constant, the symbol π is always pronounced /ˈpaɪ/, “pie” in English, which is the conventional English pronunciation of the Greek letter.
The decimal representation of π truncated to 50 decimal places is 3.14159265358979323846264338327950288 419716939937510 although most people know it only as 3.14.
pi day is march 14th and is a pretty fun day. You should get together with your friends and go out and buy some pie and eat it. It’s a good reason to do the two most awesome things in the world, other than eat tacos. You get to be with your friends and eat pie! What could be better? well being with your friends and eating tacos of course!