Texas Instruments TI-89 ユーザーズマニュアル

Additional Graphing Topics

499

Opening a Graph Picture

When you open a graph picture, it is superimposed over the current Graph screen. To
display only the picture, use the Y= Editor to deselect any other functions before opening
the graph picture.

From the Graph screen:

1. Press

ƒ and select

1:Open

A graph picture is a drawing object. You cannot trace any curve on a picture.

For Pictures Saved from a Portion of the Graph Screen

When you press

ƒ and select

1:Open

, the picture is superimposed starting at the upper-

left corner of the Graph screen. If the picture was saved from a portion of the Graph
screen, it may appear shifted from the underlying graph.

You can specify which screen pixel to use as the upper-left corner.

2. Select the type (

Picture

), folder, and

variable that contain the graph picture
you want to open.

Note:

If a variable name is not shown

on the dialog box, there are no graph
pictures in the folder.

3. Press

¸.

Important: By default,
Type = GDB (for graph
database). Be sure to
set Type = Picture.