It's a FREE and easy to use with eye-catching User Interface. Designed to solve matrix problem with well explanation. Support Complex Number. Input matrix up to 5×5. Save your matrices and equations as many as you WANT. Solve your equations by Gaussian Elimination. Solve your equations by Cramer's Rule. Solve your equations by Matrices Feature : 1) Save your Matrix as many as you WANT 2) Save your Equation as many as you WANT 3) Save matrix result as many as you WANT 4) Pick your own THEME 5) Set decimal places 6) Input complex number 7) Input random Matrix 8) Input random Equation 9) Input identity matrix 10) Input zero matrix (Clear matrix) 11) Input scalar Operation: 1) Solve equation by Matrices 2) Solve equation by Gaussian Elimination 3) Solve equation by Cramer's Rule 4) Inverse matrix 5) Determinant matrix 6) Multiplication matrix 7) Addition matrix 8) Subtraction matrix 9) Transpose matrix Enjoy the app!