You can write down the simplest mathematical expression, and the application will solve it by explaining each step.At this stage, the application contains the following topics:1. Integers;2. Ordinary fractions;3. Mixed numbers;4. Addition, subtraction, multiplication, division of a number by a column.5. Table of prime numbers;6. Decomposition of numbers into prime factors;7. Least common multiple;8. Greatest common divisor, by factoring numbers into prime factors or using the Euclidean algorithm;9. The lowest common denominator;10. Isolation of the whole part from the improper fraction;11. Reduction of fractions;12. Fractional trait;13. Procedure;14. Addition, subtraction, multiplication, division of positive and negative numbers (solution of expressions containing integers, fractional, mixed numbers, numbers and expressions in brackets);