What's New

Added Polish localization.

App Description

A handy calculator with steps that solves 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

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Inequality Calculator screenshot 1 Inequality Calculator screenshot 2 Inequality Calculator screenshot 3 Inequality Calculator screenshot 4 Inequality Calculator screenshot 5

iPad Screenshots

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Inequality Calculator screenshot 6 Inequality Calculator screenshot 7 Inequality Calculator screenshot 8 Inequality Calculator screenshot 9 Inequality Calculator screenshot 10

App Changes

  • June 13, 2014 Initial release
  • August 02, 2015 New version 1.0.2
  • August 22, 2015 New version 1.0.3
  • September 01, 2015 Price increase: $0.99 -> $1.99
  • January 11, 2016 Price increase: $1.99 -> $2.99
  • July 06, 2016 Price decrease: $2.99 -> $1.99
  • June 14, 2019 New version 2.1.0
  • November 11, 2019 Price increase: $1.99 -> $2.99
  • July 15, 2020 New version 2.1.5
  • September 16, 2023 Price increase: $2.99 -> $3.99