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
(ZOOM
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
(ZOOM
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 grap
h
Select ZDecimal and trace the
graph.
Move the cursor, and press
b 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.