Texas Instruments TITANIUM TI-89 - Manual (Page 355)

Sequence Graphing 355
Exploring the Graph Exploring the Graph Exploring the Graph 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 sequence.
• Use the „
Zoom toolbar menu to zoom in or out on a portion of the graph.
• Use the ‡
Math toolbar menu to evaluate a sequence. Only 1:Value is available for
sequences.
• Plot sequences on Time (the default), Web , or Custom axes.
Note: You can also evaluate a sequence while tracing. Simply enter the n value directly
from the keyboard.
5. Define the viewing window ( 8 $).
„
Zoom also changes the viewing
window.
6. Change the graph format if necessary.
,
9
— or —
8 Í
7. Graph the selected equations
( 8 %).