Emulates HP 15C RPN functionality with precise mathematical calculations. Users can solve equations, perform numerical integration, handle complex numbers, and execute matrix operations. It supports root finding and hyperbolic functions.
SQL and concepts through interactive lessons and hands-on practice. Write and execute SQL queries in a compiler. Explore real-world databases like MySQL, MongoDB, and PostgreSQL. Complete projects to apply knowledge.
The app offers practice with addition, subtraction, multiplication, and division for young learners. It includes progressive difficulty levels and helps develop mental math skills, concentration, and memory.