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EL-9900 Graphing Calculator
NotesStep & Key Operation Display
4
Adjust the screen so that the whole
graph is shown. Shift 2 units down-
wards.
3
View the graph.
Graphing an ellipse can be performed easily on the calculator display.
12-3
GRAPH
(3 times)
WINDOW
—
2
ENTER
—
2
ENTER
-3.1 < Y < 3.1
-5.1 < Y < 1.1
➝
GRAPH