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2×2 Matrix Calculator

Determinant, transpose and inverse of a 2×2 matrix.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Input matrix [[a,b],[c,d]]. Inverse = [[d,−b],[−c,a]]/(ad−bc). Near-zero determinant is treated as singular.

How to use it (step by step)

  1. 1Fill in the boxes: “a”, “b”, “c”, “d”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Matrix
A grid of numbers in rows and columns, used in math, graphics and engineering.

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