The term pi comes from the greek letter pi, which is the first letter of the word which in English is "perimeter".
3.141592653789 etc
The origin.
Pi is a universal math term that is the same all over the world.
the point (0,0) on a graph
It isn't clear what you mean. I don't think that "pi form" is a commonly used math term.
You can have competitions for how much pi someone knows vs. someone else, memorize pi, eat pie, study the origin of pi, teach others about pi, blog about it, and, most of all, solve math problems involving pi.
Pi=3.14 in basic math
its a 2 lines and a wavy top over the two lines
Yes it is the number u use to find the area and circumference of a circle
The origin of math can be traced back to Egyptian mathematicians during 2000-1800 BC. Pythagoreans is the one that coined the term mathematics in the 6th century BC.
In ordinary everyday letters . . . pi In Greek letters . . . Π
PI is a math term and pie is a food Pie tastes better. I do however wish pie never ended, but that would be irrational.