User Guide

Numerical Approximation
To compute an approximate numerical value of an expression:
• Use the evalf command.
The evalf command returns a floating-point (or complex floating-point)
number or expression.
>
>
>
By default, Maple calculates the result to ten digits of accuracy, but you can
specify any number of digits as an index, that is, in brackets ([ ]).
>
For more information, refer to the ?evalf help page.
See also Numerically Computing a Limit (page 155) and Numeric Integra-
tion (page 165).
7.3 Working with Maple Expressions • 313