Linear Equation Solver

Solve equations of the form ax + b = 0.


    

Quadratic Equation Solver

Solve ax² + bx + c = 0 and get real or complex roots. Also plot the graph.


      
      Graph range auto-scaled around the vertex.
    

2x2 System Solver

Solve a system: a₁x + b₁y = c₁ and a₂x + b₂y = c₂.


    

3x3 System Solver

Solve a system: a₁x + b₁y + c₁z = d₁, a₂x + b₂y + c₂z = d₂, a₃x + b₃y + c₃z = d₃ using Cramer's Rule.


    

Inequalities & Simplification Helpers

Solve simple linear inequalities and combine like terms in expressions.


      

        Note: This is a basic helper for combining like terms with variable x and numeric constants; it doesn't handle parentheses or multiplication.