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Math
shortcuts
Fractions
22
3
>
945
4. Press
E
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.
As well as the math template,
there are other similar screens
that offer a palette of math
characters. For example,
pressing
Sr
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
Sr
. The palette displays operators
useful in math and programming. Again,
just tap the character you want.
Other math shortcut keys include
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
second character. It enters ° if no degree symbol is part of
your expression; enters ' if the previous entry is a value in
degrees; and enters " if the previous entry is a value in
minutes. Thus entering:
36
Sc
40
Sc
yields 36°40'20". See "Hexagesimal numbers" on page
23 for more information.
The fraction key (
c
fractional display. If the current answer is the decimal
to display the result: 9.813...
displays the
d
Sc
enters a degree, minute, or
20
Sc
) cycles through thee varieties of
. Pressing this key
Getting started
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