Step-by-step solutions

[darkeclipz]

Add step-by-step solutions for some of the main functionality that is used from SymPy. Initially only for Algebra and Calculus operations.

Some information about extracting the steps from SymPy:

• https://stackoverflow.com/questions/39359220/is-there-any-way-to-get-the-step-by-step-solution-in-sympy
• https://sympygamma.com/input/?i=x%5E2+%2B+y%5E2