Fractions.Equation.Inequality. Calculator is an Android application developed by Yusoft and falls under the category of Education & Reference. The app is free to use and offers a comprehensive set of features that cater to the needs of students, teachers, and math enthusiasts.

The calculator is capable of performing complex calculations such as solving linear and quadratic equations, simplifying expressions, finding prime factors, and comparing two expressions. It can also plot graphs of linear and quadratic functions.

One of the most notable features of the calculator is its ability to work with fractions. It can convert decimal fractions to common fractions and vice versa, reduce fractions to their simplest form, and compare multiple fractions. Additionally, the app can solve cubic equations and inequalities and even plot their graphs.

The calculator also supports voice input, allowing users to dictate the problem they want to solve. It also has three switchable windows with shared memory for working on multiple tasks. Users can save intermediate results in a task log for further use and store examples in permanent memory.

The app has ads, but users can temporarily disable them by watching a video. Overall, Fractions.Equation.Inequality. Calculator is a must-have tool for anyone who needs a comprehensive and reliable calculator for math-related tasks.