- if degree == 0
- and c == 0, X can be any real number.
- and c != 0, the wrong inequality.
- if degree == 1, X will always have one solution.
- if degree == 2
- if discriminant = 0: equation have one real solution.
- if discriminant > 0: equation have two real solutions.
- if discriminant < 0: equation have two complex solutions.
- Manage entry mistakes (vocabulary and syntax)
- Manage free form entrie
- Display the intermediate steps
- Complex solution
- Display solution(s) as an irreducible fraction (Additional fraction class)