Canon F-570SG User Instruction page 49

Matrix Addition, Subtraction and Multiplication
Example: MatA =
Operation
(press left, right, up or down
key to display the result)
1 2 3
4 5 6
, MatB =
7 8 9
Display (Upper)
48
9 8 7
6 5 4
, MatA x MatB=?
3 2 1
Display (Lower)