User Guide

For example, use the Approximate operation to approximate a fraction:
You can perform a sequence of operations by repeatedly using context menus.
For example, to compute the second derivative of use the Differ-
entiate operation on the expression, and then again on the output:
The following subsections provide detailed instructions on performing a few
of the numerous operations available using context menus. Figures in the
subsections show related context menus or palettes.
Approximating the Value of an Expression
To approximate a fraction numerically:
1. Enter a fraction.
2. Display the context menu. See Figure 1.8.
3. From the context menu, select Approximate, and then the number of
significant digits to use: 5, 10, 20, 50, or 100.
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