Matrix Operations app for iPhone and iPad

Matrix calculator - solves matrix operations with any method you like.

The following operations are available in this matrix calculator:
- Solving systems of linear equations using:
* Gaussian elimination;
* Cramers rule;
* Gauss-Jordan;
* The inverse matrix method;
* Montante (Bareiss algorithm);
- Finding the determinant of a matrix using:
* Decomposition;
* Reduction to triangular form;
* Montante (Bareiss algorithm);
* Sarrus rule (only for a 3x3 matrix);
- Finding the inverse of a matrix using:
* Gaussian elimination;
* Gauss-Jordan;
* Algebraic complements;
* Montante (Bareiss algorithm);
- Finding the rank of a matrix using:
* Elementary transformations;
* Bordering minors;
- QR decomposition:
* Gram–Schmidt;
* Householder reflections;
* Givens rotation;
- Polar decomposition;
- The square root of the matrix;
- Singular value decomposition;
- Eigenvalues;
- Eigenvectors;
- Eigendecomposition(matrix diagonalization);
- Matrix minor;
- Matrix cofactor;
- Matrix adjoint;
- LU decomposition;
- Schur Decomposition;
- Cholesky decomposition;
- Solving matrix equations;
- Raising a matrix to a power;
- Multiplying a matrix by a number;
- Matrix transposition;
- Matrix multiplication;
- Matrix subtraction;
- Matrix addition;

App Features
- Custom keyboard for more convenient data entry;
- Complete, step by step description of solutions;
- Ability to save solutions;
- Ability to edit saved solutions;
- Works without internet access;
- Presents solutions as ordinary and decimal fractions;