Texas Instruments TI-89 Manual De Usuario

Basic Function Graphing

303

Exploring the Graph

From the Graph screen, you can:

•

Display the coordinates of any pixel by using the free-moving cursor, or of a plotted
point by tracing a function.

•

Use the

„

Zoom

toolbar menu to zoom in or out on a portion of the graph.

4. Set the display style for a function.

2 ˆ

This is optional. For multiple equations,
this helps visually distinguish one from
another.

5. Define the viewing window

(8 $).

„

Zoom

also changes the viewing

window.

6. Change the graph format if necessary.

– or –

8 Í

7. Graph the selected functions (

8 %).