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HP 50g Graphing Calculator User Manual

Page 387

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Page 12-4

Θ Enter the PLOT WINDOW environment by entering „ò (press

them simultaneously if in RPN mode). Use a range of –4 to 4 for H-
VIEW, then press

@AUTO to generate the V-VIEW automatically. The

PLOT WINDOW screen looks as follows:

Θ Plot the graph: @ERASE @DRAW (wait till the calculator finishes the graphs)
Θ To see labels:@EDIT L @LABEL @MENU
Θ To recover the first graphics menu: LL@)PICT
Θ To trace the curve: @TRACE @@X,Y@@ . Then use the right- and left-arrow keys

(š™) to move about the curve. The coordinates of the points you
trace will be shown at the bottom of the screen. Check that for x =
1.05 , y = 0.231. Also, check that for x = -1.48 , y = 0.134. Here is
picture of the graph in tracing mode:

Θ To recover the menu, and return to the PLOT WINDOW environment,

press L

@CANCL@.

<<

X

‘EXP(-X^2/2)/ √(2*π)‘ >>.

Press ƒ, twice, to drop the contents of the stack.