Rapid Graph; Rapid Window; Rapid Zoom - Sharp EL-9400 Teachers Manual

Features
G
raphing Procedures
The EL-9400 has three unique functions that simplify graphing procedures: Rapid Graph,
Rapid Window and Rapid Zoom. Of course, the EL-9400 supports conventional graphing
procedures as well.
Following outlines graphing procedures and indicates the steps where Sharp's unique functions can
be used to simplify operations. These functions are introduced on the following pages.
Step 1
Input equation
Step 2
Set X, Y range
Xmin =
Xmax =
Xscl =
Ymin =
Ymax =
Yscl =
Step 3
Draw graph
Step 4
Adjust viewing
window
10
Graphing Procedure
Manual Input
Y =
a b
X/T 3 X/T
x
2
2 X/T
Manual Input
(–)
3 3
1 (–) 1 5
1 5 5
Manual Input
Amending
range size
Go back to Step 2 to
readjust window size.
EL-9400 Graphing Calculator

Rapid Graph

EZ
Simply select from
built-in menu to
modify desired type of equation .

Rapid Window

EZ
Simply select from
built-in menu to set
window size.
Press Graph button to draw graph.

Rapid Zoom

EZ
Use arrows to adjust window
size while viewing graph.