Welcome, this application offers: Function # 1: - Solving equations with "n" unknown via the Gauss-Jordan method of solving or "Gaussian elimination":     - Consideration of decimal or whole number and Fractions;     - Results as fractions and decimal digit;     - System of equations <= 3 unknowns -> no explanation no resolution;     - Saving the result as an image Function # 2: - From informed point, the application provides the calculation of the corresponding polynomial equation:     - Results with corresponding graph,     - Consideration of decimal or integer numbers and FRACTION. BONUS: - Simplification of a fraction, - The decomposition of an integer. Good use !!!!