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<< →X ‘EXP(-X^2/2)/ √(2*π)‘ >>.
Press ƒ, twice, to drop the contents of the stack.
• 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:
• Plot the graph: @ERASE @DRAW (wait till the calculator finishes the
graphs)
• To see labels: @EDIT L @LABEL @MENU
• To recover the first graphics menu: LL@)PICT
• 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:
• To recover the menu, and return to the PLOT WINDOW environment,
press L@CANCL, then L@@OK@@.
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