Description Matrix Calculator

Calculations with matrices can be more fast and easier.
Study linear algebra with this simple app.
Just enter your matrices, and get the answers.
Simple editor
** Just touch and drag. You can easily change the size of your matrix.
** RATIONAL, DECIMAL numbers are supported.
** Check 'augmented' for solving system of equations.
** Touch 'transpose' if you feel like to rotate.
Get the answers of...
** Addition A B
** Subtraction A-B
** Multiplication AB
** Rank
** 4 fundamental subspaces and their basis
** Determinant
** Inverse matrix
** Cofactor matrix
** Reduced row echelon form (rref)
** LU decomposition
** Solution to Ax = b
** Least squares (solutions, projection matrix, error vector)
And more..
** Keep the result matrices. Reuse whenever you want.
** Supported default matrices (zero matrices, identity matrices)
** Up to 10,000 matrices.
If you're studying linear algebra,
Use this app to SAVE your precious time wasted by calculation mistakes.
Enjoy!
Taking MIT OCW 18.06 Linear algebra course inspired me to create this application.