Texas Instruments TI-Nspire, Руководство пользователя

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Using Variables 427
3. Press
/ h
and then type the variable name
num
.
This means: Calculate 5+8
3
and store the result as a variable named
num
.
4. Press
·
.
Calculator creates the variable
num
and stores the result there.
Creating a variable in the computer software
When creating a variable in the computer software, use the following
conventions. As alternatives to using
&
(store), you can use “
:=
” or the
Define
command. All of the following statements are equivalent.
5+8
3 &
num
num
:= 5+8
3
Define
num
=5+8
3
Checking a variable’s value
You can check the value of an existing variable by entering its name on
the Calculator entry line. When you type the name of a stored variable, it
appears in bold type.
`
On the Calculator entry line, type the variable name
num
and press
·
.
The value most recently stored in
num
displays as the result.
Automatically creating variables in Graphs & Geometry
In the Graphs and Geometry applications, functions defined on the entry
line are automatically stored as variables.