Math for Brain is a free Chrome add-on developed by programmingslk. Designed to keep your brain functional, this program helps you sharpen your thinking ability through solving simple math problems.

With Math for Brain, you can answer a variety of math questions, including addition, subtraction, multiplication, and division. By challenging yourself with these basic math operations, you can exercise your brain and improve your mental agility.

The program is easy to use and provides a straightforward interface for answering the math questions. Whether you're a student looking to practice your math skills or an adult wanting to keep your brain sharp, Math for Brain offers a convenient and accessible way to do so.

Overall, Math for Brain is a useful tool for anyone looking to enhance their mathematical thinking and keep their brain in good shape. It's a free add-on for Chrome that offers a simple and effective way to exercise your brain through solving math problems.