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Other useful graphing features – Sharp EL-9900 User Manual

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Chapter 4: Basic Graphing Features — Basic Keyboard

• When

@ " are pressed on the graph screen, the graph

and table are displayed on the same screen.

• When

@ " are pressed on the equation input screen,

the graph and equation are displayed on the same screen.

4. Now the right boundary of the graph can be set. Enter the

required value here (“3”, for example), and press

E.

Note:

The “Xmax=” value cannot be set equal to or smaller than the

value of “Xmin”. If so done, the calculator will display an error

message upon attempting to redraw the graph, and the graph will

not be displayed.

5. The next item “Xscl=” sets the frequency of the X-axis indices.

The default value is “1”. If, for example, the value is set to

“0.5”, then indices will be displayed on the X-axis at incre-

ments of 0.5. Enter the required “Xscl=” value (“0.5”, for

example), and press

E.

6. The “Ymin=”, “Ymax=”, and “Yscl=” can be set, as was

described for “Xmin=”, “Xmax=”, and “Xscl=” above.

7. When done, press the

G key to draw the graph with the

newly configured window setup.

3. Other Useful Graphing Features

":

Splits the display vertically, to show the graph on the left side of

the screen while showing the X-Y values in a table on the right.

The cursor is positioned on the table, and can be scrolled up/

down using the

{ or } keys.

Graph and table

Graph and equation