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Page 10-2
Plotting an expression of the form
y = f(x)
As an example, let's plot the function,
)
2
exp(
2
1
)(
2
x
xf −=
π
• First, enter the PLOT SETUP environment by pressing,
„ô
. Make
sure that the option Function is selected as the TYPE, and that ‘X’ is
selected as the independent variable (INDEP). Press L@@@OK@@@ to
return to normal calculator display. The PLOT SET UP window should
look similar to this:
• Enter the PLOT environment by pressing
„ñ
(press them
simultaneously if in RPN mode). Press
@ADD
to get you into the
equation writer. You will be prompted to fill the right-hand side of an
equation Y1(x) = . Type the function to be plotted so that the
Equation Writer shows the following:
• Press ` to return to the PLOT SETUP window. The expression
‘Y1(X) = EXP(-X^2/2)/√(2*π)’ will be highlighted. Press L@@@OK@@@ to
return to normal calculator display.
• Enter the PLOT WINDOW environment by entering
„ò
(press
them simultaneously if in RPN mode). Use a range of –4 to 4 for H-