Solve equations with absolute values.
Solve inequalities with absolute values.
Add and subtract polynomial expressions.
Calculate Bessel functions of the first and second kind.
Calculate combinations (n choose k).
Expand binomial expressions using the Binomial Theorem.
Multiply polynomials using the box method.
Solve quadratic equations by completing the square.
Solve linear equations.
Solve quadratic equations.
Perform matrix operations.