Sharp EL-9400 Teachers Guide

EL-9400 Graphing Calculator
10
Graphing 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
Manual Input
Graphing Procedure
Y =
EZ
EZ
EZ
Rapid Graph
Manual Input
Rapid Window
Manual Input
Rapid Zoom
Press Graph button to draw graph.
Simply select from
built-in menu to
modify desired type of equation .
Simply select from
built-in menu to set
window size.
Use arrows to adjust window
size while viewing graph.
Go back to Step 2 to
readjust window size.
Features
3
a
b
x
2
2
1
5
(–)
3
3
1
(–)
5
1
5
Amending
range size
X/T
X/T
X/T

Sharp EL-9400 Specifications

General

Brand	Sharp
Model	EL-9400
Category	Calculator
Language	English