HP 48gII Manual do Utilizador descarregar pdf (Página 129)

Page 10-2

Plotting an expression of the form

y = f(x)

As an example, let's plot the function,

)

exp(

)(

xf −=

• 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-

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HP 48gII Manual do Utilizador Página 129