Application Guide

• CAS: If you want a variable to be treated as a type of unit (such as _m or _ft), use
an underscore as the first character of the name. You cannot use any other
underscores in the name.
• You cannot use an underscore as the first character of a name.
• You cannot use a pre-assigned variable, function, or command name, such as Ans,
min, or tan.
• Library documents and library objects are subject to additional naming restrictions.
For more information, see Libraries.
Creating Variables in Calculator
When creating a variable, 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
To Create a Variable in the Calculator Application
1. Tap the Calculator entry line to show the keyboard.
2. Touch and hold to show the alternate functions, and then slide to the desired
function.
3. Enter the value for the variable (a number, text, mathematical expression, or
function).
4. Tap ENTER.
Variables Overview 40