Math

Cramer's Rule Calculator

2×2 Cramer solution of a1 x + b1 y = c1, a2 x + b2 y = c2.

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y

det A

This free Cramer's Rule Calculator covers 2×2 Cramer solution of a1 x + b1 y = c1, a2 x + b2 y = c2.

Enter the Cramer's Rule Calculator fields, then read the output. Math calculators on this site keep the formula visible beside the form.

Cramer's Rule Calculator — how it works

2×2 Cramer solution of a1 x + b1 y = c1, a2 x + b2 y = c2. Typical inputs are a₁, b₁, c₁ and a₂. How it works beside the form states the identity the Cramer's Rule Calculator applies.

FAQ

How do I use the Cramer's Rule Calculator?

Open the Cramer's Rule Calculator, fill a₁, b₁, c₁ and a₂, and read the result. Replace a column of the coefficient matrix by the right-hand side and ratio determinants.

What formula does the Cramer's Rule Calculator use?

The Cramer's Rule Calculator uses the identity in How it works. In words: Replace a column of the coefficient matrix by the right-hand side and ratio determinants.

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