Inequality Steps-By-Step Calc is a free Android-based program developed by Ivan Petuhov. It falls under the category of Education & Reference. The program is a comprehensive inequation calculator, which helps solve inequations of any complexity. The software supports all math symbols and functions, including sin(x), cos(x), exp(x), tan(x), ctan(x), sqrt(x), and many others. It also supports various arguments and options, such as x, y, n, a, b, c, etc.

One of the most significant features of the program is that it allows you to see the solution of the equation on the graph. The calculator also contains several examples to help users understand the concept of inequations better. Moreover, it corrects input expression errors, making it easier for users to input their equations. If you are looking for an efficient and comprehensive inequation calculator, Inequality Steps-By-Step Calc is worth trying.