CRAMER’S RULE

Here we present a program to solve the system: Ax + By = C, Dx + Ey = F Program for TI-83 calculator

By Jonathan L. Moscovici

Using material from

Weisstein, Eric W. “Cramer’s Rule.” From MathWorld–A Wolfram Web Resource. http://mathworld.wolfram.com/CramersRule.html

Here we present a program to solve the system:

Ax + By = C

Dx + Ey = F

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ClrHome

Disp “Solve”

Disp “AX+BY=C”

Disp “DX+EY=F“

Input “A:“ , A

Input “B:“ , B

Input “C:“ , C

Input “D:“ , D

Input “E:“ , E

Input “F:“ , F

( ( (BF)-(CE) ) / ( (BD)-(AE) ) ) → X

( ( (CD)-(AF) ) / ( (BD)-(AE) ) ) → Y

Disp “X:“ , X ►Frac

Disp “Y:“ , Y ►Frac

Pause