The button Evaluate  calls the Maple function evalf  with argument typed in the field Evaluate.
The following is the specification of evalf  in the Maple helpfile:

It evaluates to floating-point or complex floating-point numbers expressions (or subexpressions) involving constants such as Pi, exp(1), gamma, and functions such as exp, ln, sin, arctan, cosh, GAMMA, and erf. For the complete list of known constants, see ininames. For the complete list of known functions, see inifcns.

Try the following input samples:

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Agnes Szanto

Last modified: Wed May 3 17:50:45 PDT 2000