AX2 can: Solve Quadratic Equation Solve Cubic Equation Solve System of Two Linear Equations Solve Rational Equation. Add, subtract, multiply, divide Fraction. Simplify Square Root. You can enter a natural expression like: =x^2+12. x-1/x-2=0. x =4x^2+16. x√2-y√3=√8&x+y=4√2.