HP 48gII Manuel d'utilisateur télécharger pdf (Page 130)

Page 10-3

VIEW, then press

@AUTO

to generate the V-VIEW automatically. The

PLOT WINDOW screen looks as follows:

• Plot the graph: @ERASE @DRAW (wait till the calculator finishes the

graphs)

• To see labels: @EDIT L @LAEL @MEU

• To recover the first graphics menu: LL@)PICT

•

To trace the curve:

@TRACE

@@@@

. Then use the right- and left-arrow

keys (

š™

) to move about the curve. The coordinates of the points

you trace will be shown at the bottom of the screen. Check that for x

= 1.05 , y = 0.0131. Also, check that for x = -1.48 , y = 0.034.

Here is picture of the graph in tracing mode:

• To recover the menu, and return to the PLOT WINDOW environment,

press L@CACL, then L@@OK@@.

Generating a table of values for a function

The combinations „õ(E) and „ö(F), pressed simultaneously

if in RPN mode, let’s the user produce a table of values of functions. For

example, we will produce a table of the function Y(X) = X/(X+10), in the

range -5 < X < 5 following these instructions:

1 2 ... 125 126 127 128 129 130 131 132 133 134 135 ... 174 175

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HP 48gII Manuel d'utilisateur Page 130