Kalkules Matrix Calculator
Free matrix calculator with a variety of features.
Windows  ZIP package
Features
 Matrix addition, subtraction and multiplication.
 Adding, subtracting, multiplying and dividing matrixes by constants (scalar values)

Elementary row operations:
 Switching 2 rows
 Multiplying row by constant
 Adding row multiplied by constant to another row

Elementary column operations:
 Switching 2 columns
 Multiplying column by constant
 Adding column multiplied by constant to another column
 Upper triangular matrix calculation
 Transposed matrix calculation
 Inverted matrix calculation
 Gaussian elimination
 GaussJordan elimination
 Determinant calculation
 Matrix generation
 Calculating with real numbers or fractions
 Calculating with complex numbers
 Calculating with residue classes modulo n
Windows  ZIP package