Sharp EL-9400 Teachers Manual page 8

Features
C
hange
Graph change function helps students grasp the relationship between an equation and its
graph. Change the shape of the graph, and the change is immediately reflected in the equation
on the right side of the display.
Example
Key Operation
SHIFT/CHANGE
1
2
3
4
5
6
(Change the shape of the graphs)
When the graph of y = x
how does it affect the equation?
EL-9400 Graphing Calculator
2
is changed,
Display Notes
Enter SHIFT/CHANGE mode
and specified ( CHANGE ).
Select change. Cursor will move
to the equation menu.
2
Select the equation: y = x and
draw the graph.
Select the location of the
change: increase the value of y-
coordinates.
View the result of the change.
y = x 2 ]
y = 2x 2