Integral Step-By-Step Calc is a free Android application developed by Иван Петухов that falls under the Education & Reference category. This math tool is designed to help students and professionals solve integrals step-by-step, making it easier for them to understand the process.

The application has a clean and user-friendly interface, making it easy to navigate. It boasts of a wide range of features such as the ability to solve definite integrals, indefinite integrals, improper integrals, and integrals with trigonometric functions. The app provides a detailed solution for each integral, including the substitution method used and a graph of the function. The app also allows users to save their solutions for future reference.

Overall, Integral Step-By-Step Calc is a useful tool for anyone who needs help solving integrals. It is free to download and use, making it a great option for students and professionals on a budget.