Texas Instruments TI-84 - Manual (Page 109)

Chapter 3: Function Graphing 106
Note: Small Xres values improve graph resolution but may cause the TI-84 Plus to draw
graphs more slowly.
Changing a Window Variable Value Changing a Window Variable Value Changing a Window Variable Value Changing a Window Variable Value
To change a window variable value from the window editor, follow these steps.
1. Press
† or } to move the cursor to the window variable you want to change.
2. Edit the value, which can be an expression.
• Enter a new value, which clears the original value.
• Move the cursor to a specific digit, and then edit it.
3. Press
Í, †, or }. If you entered an expression, the TI-84 Plus evaluates it. The
new value is stored.
Note: Xmin<Xmax and Ymin<Ymax must be true in order to graph.
Storing to a Window Variable from the Home Screen or a Program Storing to a Window Variable from the Home Screen or a Program Storing to a Window Variable from the Home Screen or a Program Storing to a Window Variable from the Home Screen or a Program
To store a value, which can be an expression, to a window variable, begin on a blank line
and follow these steps.
1. Enter the value you want to store.
2. Press
¿.
3. Press
 to display the
VARS menu.
4. Select 1:Window to display the Func window variables ( X/Y secondary menu).
• Press
~ to display the
Par and Pol window variables ( T/ q secondary menu).