Applied mathematics is a branch of mathematics that deals with the application of mathematical principles to practical problems in various fields such as science, engineering, business, and economics. It involves the use of mathematical models and techniques to analyze and solve real-world problems, often using computational methods. Researchers in applied mathematics work on a wide range of topics including optimization, dynamical systems, mathematical biology, numerical analysis, mathematical finance, and mathematical physics. They use mathematical tools to develop insights and solutions for complex problems in areas such as physics, engineering, computer science, and finance. Overall, applied mathematics plays a crucial role in helping to advance knowledge and solve practical challenges across a wide range of disciplines and industries.