SOLVING LINEAR AND NON-LINEAR EQUATIONS
The calculator is able to provide numerical approximations to solutions, but cannot
give exact results where the solutions are irrational.
SIMULTANEOUS EQUATIONS
Press MENU A to enter EQUA mode then press F1 to select simultaneous equations.
Systems of equations with up to six unknowns can be solved using this feature.
Initially lets consider a relatively simple 2 x 2 system.
2A + B = 7
A – B = 5
Enter into the calculator the coefficients of the variables by first selecting the number
of unknowns i.e. two (F1) then entering the respective coefficients followed by EXE.
Notice that the coefficients are entered in rows not columns.
To solve this simultaneous equation press SOLV
(F1), and it presents the point of intersection of
the two linear functions.
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