Quadratic inequality calculator

Solve quadratic inequalities step by step

Quadratic inequality calculator solves linear and quadratic inequalities, including inequalities with fractions and parentheses. It's intuitive and easy to use.

The inequality solver writes the solution as an interval (interval notation).

The inequality calculator keeps calculation history with the possibility to recall previous inequalities.

Quadratic inequality calculator does not solve quadratic inequalities with a variable in the denominator of a fraction.