HP 48gII User Manual page 384

return to normal calculator display. The PLOT SET UP window should
look similar to this:
• Note: You will notice that a new variable, called PPAR, shows up in
your soft menu key labels. This stands for Plot PARameters. To see its
contents, press ‚@PPAR. A detailed explanation of the contents of
PPAR is provided later in this Chapter. Press ƒ to drop this line
from the stack.
• 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.
'Y1(X) = EXP(-X^2/2)/√(2*π)' will be highlighted. Press L@@@OK@@@ to
return to normal calculator display.
Note: Two new variables show up in your soft menu key labels, namely
EQ and Y1. To see the contents of EQ, use ‚@@@EQ@@. The content of EQ
is simply the function name 'Y1(X)'.
calculator to store the equation, or equations, to plot.
To see the contents of Y1 press ‚@@@Y1@@. You will get the function Y1(X)
defined as the program:
The expression
The variable EQ is used by the
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