Texas Instruments TI-89 Manual

A SERVICE OF

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3D Graphing 406

Note: From the Graph screen, you can switch to the other graph format styles by

pressing:

Í

However, to return to IMPLICIT PLOT press:

8 Í

• The viewing angle is set initially so that you are viewing the plot by looking down the

z axis. You can change the viewing angle as necessary.

• The plot is shown in expanded view. To switch between expanded and normal view,

press p.

• The Labels format is set to OFF automatically.

and then set

Style = IMPLICIT PLOT.

Style

x

2

–y

2

=4

z1(x,y)=x

2

–y

2

–4

sin(x)+cos(y)= e(x

ùy)

z1(x,y)=sin(x)+cos(y)–e(x

ùy)

IMPLICIT

PLOT