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From the home screen, a program, or an editor, you can store a value to a
matrix element or a list element.
•
You can use DRAW STO menu items to store and recall Pic Vars.
•
Although most variables can be archived, system variables including r, T,
X, Y, and q cannot be archived.
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are independent applications, which are stored in Flash archive.
Apps
is a variable holder used to store variables created by
AppVars
independent applications. You cannot edit or change variables in AppVars
unless you do so through the application that created them.
Storing Variable Values
Storing Values in a Variable
Values are stored to and recalled from memory using variable names. When
you evaluate an expression that contains a variable name, the graphing
calculator substitutes the value currently stored in that variable.
To store a value to a variable from the home screen or a program using the
¿ key, begin on a blank line and follow these steps.
1.
Enter the value you want to store. The value can be an expression.
Press ¿.
2.
!
is copied to the cursor location.
Press ƒ and then the letter of the variable to which you want to store the
3.
value.
Press Í. The graphing calculator evaluates the expression and stores
4.
the value to the variable.
Displaying a Variable Value
To display the value of a variable, enter the variable name on a blank line on
the home screen, and then press Í.
48 Working with Variables
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