Quadratic Equation Solver

Solve quadratic equations of the form ax² + bx + c = 0. Calculate real and complex roots, vertex coordinates, and plot key characteristics.

May 26, 2026 · Me

Universal Percentage Calculator

The only percentage tool you need. Calculate percentage increases, find parts of a whole, and solve ‘X is what percent of Y’ problems instantly.

December 10, 2025 · Me