Sharp EL-9650, Operation Manual, Page: 90 / 373

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CHAPTER 4
3. Rectangular Coordinate Graphing
• In the rectangular coordinate graph mode, ten functions can be stored in Y1 to Y9
and Y0 for graph drawing.
• The rectangular coordinate graph mode is the default setting of the EL-9650.
The following section describes the procedures to draw a graph of equations
“Y1=–(X+2) 2 +5” and “Y2=X–2”, and then explains graphing functions.
(1) Setting the rectangular coordinate graph mode
Press
Ï
to display the screen shown on the
right.
The graph mode is set by [E COORD].
Check to make sure that it is set to Rect.
If it is set differently, change the setting to Rect.
(2) Checking the format
(See page 97 for details.)
• Press
Ï
.
The FORMAT menu is used to specify the graph style.
Check to make sure that the settings are the same as
the ones shown on the right. If any of the settings are
different, the displayed screen may differ from the
screen described below.
The screen on the right shows the default settings of the EL-9650.
* In the sequence coordinate graph mode, the [G TYPE] indication appears at the lower right
corner on the display.
When this happens, set [E COORD] of the SET UP menu to [1 Rect].
EL-9650-(04)En (079-134) 8/7/00, 9:07 PM 80