Sharp EL-9400, EL-9600c manual EL-9650/9600c/9450/9400 Graphing Calculator

EL-9650/9600c/9450/9400 Graphing Calculator

Step & Key Operation	Display	Notes
(When using EL-9650/9600c)	(When using EL-9650/9600c)
*Use either pen touch or cursor to operate.
2-1Move the original graph to the right		y = x changes to y = x-2
by 2.

ALPHA

*

ENTER *

2-2Save the new graph and look at the relationship of the function and the graph.

ENTER ALPHA * *

3-1Access the Change feature.

2nd F SHIFT/CHANGE B *

Notice that the function h in the standard form

y= ax - h+ k takes charge of horizontal movement of the graph.

3-2Select y = x.

3*

3-3Make the slope of the graph steeper. Save the new graph.

ENTER

ENTER

3-4Make the slope of the graph minus. Save the new graph.

ENTER

ENTER

3-5

Look at the relationship of the function and the graph.

ALPHA

* * *

y = x➞ y = 2x

y = x➞ y = - x

Notice that the coefficient a in the standard form

y = a x - h + k takes charge of changing the slope.

EL-9650/9600c/9450/9400 shows absolute values with , just as written on paper, by using the Equation editor. Use of the calculator allows various absolute value functions to be graphed quickly and shows their characteristics in an easy-to-understand manner. The Shift/Change feature of the EL-9650/9600c/9450/9400 allows visual understanding of how graph changes affect the form of absolute value functions.

8-2