A scientific calculator is like a special kind of calculator that does more advanced math stuff than a regular calculator. It can do things like square roots, exponents, trigonometry, and logarithms. It also has buttons for pi and e, which are really important numbers in math. You can use it to solve complicated problems or check your work in math class. Some scientific calculators even have graphs and can make cool graphs of equations. Overall, a scientific calculator is really helpful for doing more than just simple math problems.