Hp 49g+ User Manual download pdf (Page 390)

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Press @CANCL to return to the PLOT FUNCTION – WINDOW screen. Modify

the vertical and horizontal ranges to read: H-View: -8 8, V-View: -4 4

By selecting these ranges we ensure that the scale of the graph is kept 1

vertical to 1 horizontal. Press @ERASE @DRAW and you will get the plots of the

natural logarithm, exponential, and y = x functions. It will be evident from the

graph that LN(X) and EXP(X) are reflections of each other about the line y = X.

Press @CANCL to return to the PLOT WINDOW – FUNCTION. Press ` to

return to normal calculator display.

Summary of FUNCTION plot operation

In this section we present information regarding the PLOT SETUP, PLOT-

FUNCTION, and PLOT WINDOW screens accessible through the left-shift key

combined with the soft-menu keys A through D. Based on the graphing

examples presented above, the procedure to follow to produce a FUNCTION

plot (i.e., one that plots one or more functions of the form Y = F(X)), is the

following:

„ô, simultaneously if in RPN mode: Access to the PLOT SETUP window.

If needed, change

TYPE to FUNCTION, and enter the name of the independent

variable.

Settings

• A check on

_Simult means that if you have two or more plots in the

same graph, they will be plotted simultaneously when producing the

graph.

• A check on

_Connect means that the curve will be a continuous curve

rather than a set of individual points.

• A check on

_Pixels means that the marks indicated by H-Tick and V-

Tick

will be separated by that many pixels.

• The default value for both by

H-Tick and V-Tick is 10.

Soft key menu options

• Use @EDIT to edit functions of values in the selected field.

• Use @CHOOS to select the type of plot to use when the

Type: field is

highlighted. For the current exercises, we want this field set to

FUNCTION.

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Hp 49g+ User Manual Page 390

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