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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,
. Make
sure that the option Function is selected as the TYPE, and that ‘X’ is
selected as the independent variable (INDEP). Press
to
return to normal calculator display. The PLOT SET UP window should
look similar to this:
• Enter the PLOT environment by pressing
(press them
simultaneously if in RPN mode). Press
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
to
return to normal calculator display.
• Enter the PLOT WINDOW environment by entering
(press
them simultaneously if in RPN mode). Use a range of –4 to 4 for H-