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Getting started 25
Example: Suppose you want to find the cube root of
945:
1. In Home view, press
F.
2. Select .
The skeleton or framework for your calculation now
appears on the entry line:
3. Each box on the template needs to be completed:
3
>945
4. Press
E to display the result: 9.813…
The template palette can save you a lot of time, especially
with calculus calculations.
You can display the palette at any stage in defining an
expression. In other words, you don’t need to start out with
a template. Rather, you can embed one or more templates
at any point in the definition of an expression.
Math
shortcuts
As well as the math template,
there are other similar screens
that offer a palette of special
characters. For example,
pressing
Sr displays the
special symbols palette, shown at the right. Select a
character by tapping it (or scrolling to it and pressing
E).
A similar palette—the relations
palette—is displayed if you press
Sv. The palette displays operators
useful in math and programming. Again,
just tap the character you want.
Other math shortcut keys include
d. Pressing this key
inserts an X, T, , or N depending on what app you are
using. (This is explained further in the chapters describing
the apps.)
Similarly, pressing
Sc enters a degree, minute, or
second character. It enters ° if no degree symbol is part of
your expression; enters ′ if the previous entry is a value in