matrix multiplication in calculator
this is how to multiply matrices in a casio fx-570es plus calculator :
1.Press Mode + 6
2.choose matrix name (1: A, 2: B , 3: C)
3.choose the size of the matrix ( 3x3 , 2x3,...)
4.fill the contents of the matrix
5.press shift + 4
6. choose Data (press 2)
7.Choose second matrix name (1: A, 2: B , 3: C)
8.choose second matrix size (3x3 , 2x3,...)
9.fill second matrix with it's content
11. Press shift + 4
12.choose the matrix you've written data to (MatA)
13.choose mathematical operation (+, -, x, ...)
14.press shift + 4
15.choose second matrix that you've written data to
16.press =