Matrix Calculator description

This app can do a lot of matrix operations such as :
1- The determinant of a matrix.
2- The inverse of a matrix
3- Multiplication of a multiple matrices.
4- Summation of a multiple matrices.
5- Multiply matrix by a constant.
6- The transpose of a matrix.
The type of values the application can work with:
1- Integers 1 , 2 ,-3
2- Decimal 12.32 , 423.1 -1.2
3- Fractions 12/243 , 12.32/324
4- Complex Numbers 1+2i , 12.5+12/5i
And this app contain database which mean all matrices you will work with it'll will be saved.