HP 48gII Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 384)

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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. The expression

‘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)’. The variable EQ is used by the

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:

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HP 48gII Graphing Calculator Manuel d'utilisateur Page 384

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