Graphics Of Transcendental Functions; Graph Of Ln(X) - HP 50g User Manual

To return to normal calculator function, press @) P ICT @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
highlighted. If the option
labeled @CHOOS, use the up and down keys to select
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
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:
Press the soft key labeled @@ADD@! . This will trigger the equation writer with the
expression Y1(X)= . Type LN(X). Press ` to return to the PLOT-FUNCTION
window. Press L@@@OK@@@ to return to normal calculator display.
The next step is to press, simultaneously if in RPN mode, the left-shift key „
and the ò(B) key to produce the PLOT WINDOW - FUNCTION window.
Most likely, the display will show the horizontal (H-View) and vertical (
ranges as:
H-View: -6.5
These are the default values for the x- and y-range, respectively, of the current
graphics display window. Next, change the H-View values to read:
is not already selected press the soft key
Function
6.5, V-View: -3.9
Type
, and press @@@OK@@@
Function
No Equ., Press ADD
4.0
will be
Indep
.
)
V-View
H-View: -1
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