Алгебра. Теория is a free educational app developed by MyAppBook for Android users. It is an excellent tool for students who are studying math and want to improve their knowledge of algebra. This app offers a wide range of formulas, definitions, and examples that cover different topics related to algebra.

The app provides a comprehensive overview of algebraic concepts, including formulas for factoring, quadratic equations, roots, exponents, and logarithms. Additionally, it offers explanations of the fundamental properties of functions, the interval method, and trigonometric equations. The app also covers the basics of calculus, such as derivatives, geometric and physical meanings of derivatives, and integrals.

The app has a user-friendly interface, making it easy to navigate between different topics. The content is well-organized and presented in a clear and concise manner. Overall, Алгебра. Теория is an excellent app for students who want to improve their algebra skills and deepen their understanding of mathematical concepts.