pi
Description
Examples
Lowercase pi represents the Greek letter , and in most cases it has no special meaning. There are some instances where pi does have special meaning. For instance, the number-theoretic function pi(n). For more information, see NumberTheory[pi].
Uppercase Pi represents the mathematical constant, that is the ratio between the circumference and diameter of a circle, approximately equal to 3.141592654. For information on this math constant, see Pi.
For the product operator, see product.
sin(Pi/2);
evalf[20](Pi);
NumberTheory[pi](1000);
product( 4*n^2 / (4*n^2-1), n=1..infinity );
See Also
Greek
NumberTheory[pi]
Pi
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