Appendix a: function and instruction reference – Texas Instruments TI-73 EXPLORER User Manual

Page 316

310

Appendix A: Function and Instruction Reference

73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed:

05/19/99 9:03 AM Page 310 of 36

ZBox

(

Z O O M

Displays a graph, lets you (interactively) draw a box

that defines a new viewing

WINDOW

, and then updates

the

WINDOW

Define Y

=Xsin(X).

Set the following WINDOW

values:

Xmin=M1000, Ymin=M1000,

Xmax=1000, Ymax=1000,

Xscl=90, Yscl=90

Graph Y

Select ZBox.

ZDecimal

(

Z O O M

Adjusts the viewing

WINDOW

so that

X=0.1

and

Y=0.1

, and displays the graph screen with the origin

centered on the screen.

Define Y

=X, graph using

ZStandard, and trace the graph

Select ZDecimal and trace the

graph.

Move the cursor, and press

to select upper left and bottom

right corners of the box.

Selected portion (the box) is

automatically displayed.

X and Y values now

increment by .1.

X and Y values

increment by .212466.