What's New

Added Polish localization.
Updated the way inequalities are displayed.
Updated the keyboard colors.

App Description

A handy calculator with steps to solve linear and quadratic inequalities.

Inequality Calculator can handle a wide range of linear and quadratic inequalities, including inequalities with fractions and parentheses.

It's intuitive and easy to use. Just type in an inequality you want to solve and get the step-by-step solution.

Features:

Solves linear and quadratic inequalities.

Solves one-step, two-step and multi-step inequalities.

Supports fractions and parentheses.

Shows step-by-step solution.

Writes the solution as an interval (interval notation).

Calculation history (25 inequalities) with the possibility to recall previous inequalities.

Sends results via email.

Note: The calculator does not solve inequalities with variables in the denominator.

iPhone Screenshots

(click to enlarge)

Inequalities screenshot 1 Inequalities screenshot 2 Inequalities screenshot 3 Inequalities screenshot 4 Inequalities screenshot 5 Inequalities screenshot 6 Inequalities screenshot 7 Inequalities screenshot 8 Inequalities screenshot 9 Inequalities screenshot 10

App Changes

  • March 17, 2016 Initial release
  • June 14, 2019 New version 2.0.0
  • June 14, 2019 Price increase: $3.99 -> $4.99
  • June 16, 2019 Price increase: $3.99 -> $4.99
  • September 16, 2023 New version 2.2.0