Casio fx-7400G PLUS User Manual download pdf (Page 11)

Note 1H • Connecting the Points (continued) fx-7400G Plus

Displaying the Connected Points

a. Press (GRPH) (SET) to set up the graph.

b. Press

(GPH1).

c. Highlight

G-Type. Press (xy). Choose List 1 for XList and List 2 for

YList and 1 for Freq.

d. Arrow down to

M-Type to choose the type of mark for the data

points on the graph. Press .

e. Press

(GRPH) and choose (GPH1).

f. Press when you are ready to leave the graph screen.

If the points are not listed in ascending order by their x-coordinates, your

xyLine will be scrambled, with segments crisscrossing each other. To reorder

your points correctly, press

(SRT-A). To the question How Many Lists?,

press . To the question

Select Base List(B), press . To the question Select

Second List(L)

, press . Press after each answer. Notice that the sort

command puts

List 1 in ascending order but maintains the original pairings

between

List 1 and List 2.

Tracing Connected Points

With the graph on the screen, press [Trace]. Toggle the arrow key right

and left to trace along the data points in the order in which they are entered

in the data lists. Toggling the arrow key up and down will switch between

different statistical graphs.

Errors

A Dim ERROR message means that the two lists do not have the same number

of entries. The same error message could appear if you accidentally turned on

a plot that you’re not using or if you named the wrong list when you set up

the graph. To clear extra graphs from the screen, press

[Sketch] (Cls).

F1SHIFT

SHIFT

EXE

F3QUIT

QUIT

F1F1

QUIT

F4F1

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Casio fx-7400G PLUS User Manual Page 11

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