Sharp EL-9400 Calculator User Manual


 
Step & Key Operation
(When using EL-9650/9600c)
*Use either pen touch or cursor to operate.
Display
(When using EL-9650/9600c)
EL-9650/9600c/9450/9400 Graphing Calculator
Notes
Access the Tool menu. Select the
number of variables.
Enter the system of equations.
Using the system function, it
is possible to solve simulta-
neous linear equations. Sys-
tems up to six variables and
six equations can be solved.
Solve the system.
2-1
2-2
2-3
5-1
*
*
A system of equations can be solved easily by using the Calculate feature
or Tool feature.
x = 0.75
y = - 2.75
2nd F
TOOL
B
EXE2nd F
2
511
31 5
ENTER ENTER ENTER
ENTER ENTER
ENTER
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)(
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)