Matrix calculator

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Define up to four matrices up to 4×4 and calculate with them: sum, product, determinant, inverse, transpose, powers and row echelon form (Ref and Rref).

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How to use it

  1. Choose MatA, its number of rows and columns, and enter the elements.
  2. Press AC to go to the calculation screen and use OPTN to insert MatA, Det(, Trn(…
  3. Press =. Example: det([[2,1],[1,1]]) = 1.

Frequently asked questions

How big can they be?

Up to 4 rows by 4 columns.

Does it show fractions?

Yes, the inverse comes out in exact fractions where appropriate.

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