HP 49g+ - Manual (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.