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60 Working with Documents on TI-Nspire™ Handhelds
Creating TI-Nspire™ Variables
Variables can be any portion or attribute of an object or function created within
an application. Examples of attributes that can become variables are the area
of a rectangle, the radius of a circle, the value contained in a spreadsheet cell
or the contents of a column, or a function expression. When you create a
variable, it is stored in memory within the problem. You will find more
information about variables in the chapter titled Using Variables .
Using the Catalog
Use the catalog to access a list of TI-Nspire™ commands and functions, units,
symbols and expression templates. Commands and functions are listed
alphabetically. Commands or functions not beginning with a letter are found at
the end of the list (&, /, +, -, and so on). To open the catalog:
1. From an open document, press k to open the catalog.
2. Press the number key corresponding to the appropriate tab.
For example, press 2 to show a list of math functions.
3. Press 6 until the item you want to insert is highlighted.
A syntax example for the selected item is displayed at the bottom of the
screen.
Note: To see additional syntax examples of the selected item, press e,
and then press · to maximize or minimize the Help. To move back to
the selected item, press g e.
4. Press · to insert the item.