So we a calculator app that carries out any algebraic operation, including: converting mixed fraction to improper fraction, converting improper fraction to mixed fraction, reducing any fraction to its lowest term, addition of fractions, subtraction of fractions, sorting fractions in ascending order, sorting fractions in descending order, multiplication of fractions, division of fractions, solving 2 dimensional (2 by 2) simultaneous equations, solving 3 dimensional (3 by 3) simultaneous equations; showing all the steps followed.