Sharp EL-W506 Manual page 55

Determinant and Inverse
• To find the determinant of
matrix A
• MATH and choose 6
• Then press 0
• Press D1 if you saved the
shortcut (or to recall a matrix
press MATH , 1 and then the
number of the matrix (e.g. 0).
• To find the inverse:
• Call the matrix (e.g. D1)
• Press
2