Example 1

A+B: [[1,2],[3,4]] + [[5,6],[7,8]]

Example 2

det: [[4,7],[2,6]] → det = 10

Example 3

A×B: [[1,0],[0,1]] × [[3,4],[5,6]]

Example 4

3×3 det: [[1,2,3],[0,1,4],[5,6,0]]

Example 5

Transpose: [[1,2,3],[4,5,6],[7,8,9]]