HP 49g+ - Page 134

Page 10-7
• When done, press
@EXIT .
• Press
@CANCL to return to the PLOT WINDOW environment.
• Change the Step data to read: Step Indep: 20 Depnd: 16
• Press @ERASE @DRAW to see the surface plot. Sample views:
• When done, press
@EXIT .
• Press
@CANCL to return to PLOT WINDOW.
• Press
$ , or L @@@OK@@@ , to return to normal calculator display.
Try also a Fast 3D plot for the surface z = f(x,y) = sin (x
2
+y
2
)
• Press
„ô , simultaneously if in RPN mode, to access the PLOT SETUP
window.
• Press
˜ and type ‘SIN(X^2+Y^2)’ @@@OK@@@ .
• Press
@ERASE @DRAW to draw the slope field plot. Press @EXIT @EDIT L
@)LABEL @MENU
to see the plot unencumbered by the menu and with
identifying labels.