Sharp EL-W531X Operation Manual page 61

Simultaneous Calculation
(1) Solve the following simultaneous equations.
3x + y = 9
x + 2y = 8
(2) Use the result of (1) to find the following value.
K = 3x + y
(1)
Set the mode to Equation
<Equation mode>
0 (2-VLE)
<Simultaneous linear equations
in two unknowns>
Enter the coefficients
a1 = 3 , b1 = 1 , c1 = 9
a2 = 1 , b2 = 2 , c2 = 8
3
1
(2)
Set the mode to Normal
3
2
Operation
6 (EQUATION)
1 9
2 8
0 (NORMAL)
2
3
60
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