HP 48gII User Manual page 134

•
When done, press @E IT.
•
Press @CA CL to return to the PLOT WINDOW environment.
• Change the Step data to read:
•
Press @ERASE @DRAW to see the surface plot. Sample views:
•
When done, press @E IT.
•
Press @CA CL 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
•
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.
@) L A EL @ME U to see the plot unencumbered by the menu and with
identifying labels.
Step Indep: 20 Depnd: 16
2
+y
Press @E IT @EDIT L
2
)
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