Texas Instruments TI-89 사용자 설명서

Previews

114

Split Screens

Split the screen to show the

Y= Editor

and the Graph screen. Explore the behavior of a

polynomial as its coefficients change.

6. Zoom in on the sign change between

x = L2 and x = L1 by changing the table
parameters to:

tblStart =

tbl = .1

Press

„ ? 2 D .1 ¸ ¸

Steps and keystrokes

Display

1. Display the

MODE

dialog box.

For

Graph

, select

FUNCTION

For

Split Screen

, select

LEFT-RIGHT

For

Split 1 App

, select

Y= Editor

For

Split 2 App

, select

Graph

Press

3 B 1 „ B 3 D B 2 D B 4

Steps and keystrokes

Display