Help: Mathematical Formulas

Formulas can be entered in normal mathematical format. The usual algebraic precedence rules are observed. Multiplication can be indicated with either a blank space or "*". Powers are indicated with "^". Factorials are indicated with "!". The constant pi and the following mathematical functions are available:
abs arccos arcsin arctan arg
binom ceil cos cosh exp
floor gamma if ln max
min product round sgn sin
sinh sqrt square sum tan
The following random variables are also available:
discu normal poisson uniform

Points to remember: