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• When done, press
@EIT
.
• Press
@CACL
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 @EIT.
• Press @CACL 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 @EIT @EDIT L
@)LAEL @MEU to see the plot unencumbered by the menu and with
identifying labels.