HP 48gII - Manual (Page 389)

Page 12-8
Move the cursor to the upper left corner of the display, by using the
š
and — keys.
To display the figure currently in level 1 of the stack press
L REPL .
To return to normal calculator function, press
@)PICT @CANCL.
Note: To save printing space, we will not include more graphs produced by
following the instructions in this Chapter. The user is invited to produce those
graphics on his or her own.
Graphics of transcendental functions
In this section we use some of the graphics features of the calculator to show
the typical behavior of the natural log, exponential, trigonometric and
hyperbolic functions. You will not see more graphs in this chapter, instead
the user should see them in the calculator.
Graph of ln(X)
Press, simultaneously if in RPN mode, the left-shift key
„ and the ô (D)
key to produce the PLOT SETUP window. The field labeled Type will be
highlighted. If the option
Function
is not already selected press the soft key
labeled @CHOOS, use the up and down keys to select
Function
, and press @@@OK@@@
to complete the selection. Check that the field labeled Indep: contains the
variable ‘X’. If that is not so, press the down arrow key twice until the
Indep
field is highlighted, press the soft key labeled @EDIT and modify the value of
the independent variable to read ‘X’. Press @@@OK@@@ when done. Press
L@@@OK@@@ to return to normal calculator display.
Next, we’ll resize the plot window. First, press, simultaneously if in RPN
mode, the left-shift key
„ and the ñ (A) key to produce the PLOT-
FUNCTION window. If there is any equation highlighted in this window,
press
@@DEL@@ as needed to clear the window completely. When the PLOT-
FUNCTION window is empty you will get a prompt message that reads:
No
Equ., Press ADD . Press the soft key labeled @@ADD@! . This will trigger the