To find the matrix determinant in Calculator(fx-991ES PLUS)
Here are the steps to be followed
1. Press Mode Button
2. Press 6 for Matrix Calculation
3. Press any number from 1,2,3 to give data to the matrix A,B,C respectively
4. Once you press any number (suppose we press 1 ie Mat A ) , choose any number from 1-6 to give value according to size of matrix.
5. We pressed 1. 3×3
6.Give the value to the matrix.Press = once you give value so you can insert another value too.
7. After lasr value is inserted ,Press AC button.
8. Press Shift then 4.
9. Press 7(det) to find determinant
10. Press Shift then 4 again.
11. Our data is in MatA so press 3(MatA)
12 Press =
13. Determinant is obtained.
By following this step,you can find determinant of matrix in calculator
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