Wolfram alpha: many students know wolfram alpha. This is a paid learning software. Students majoring in mathematics can use it directly. This application searches for mathematical answers through a search engine. Solving linear algebra and limit flying can also be used for calculus drawing.

Official website Address:/. This product can not only do advanced math problems, but also give detailed steps, including which theorems are used. This is a simple advanced math requirement, that is, there is no Chinese version, but you can open its official website search questions in a computer browser and it will be automatically converted into Chinese.

Symbolab: This is a free scientific calculator APP with Chinese version. Input parameter selection algorithm can get the answer, and it also has problem-solving steps. Very easy to use, it is the best choice for learning.

Official website's address is Symbolab Mathematical Solver-Step Calculator. Can solve algebra (equality, inequality, equation, basic operation), function and image (linear equality, function) trigonometry (trigonometric equality, trigonometric proof, trigonometric function evaluation) calculus (limit, integral, derivative, partial derivative, derivative application, convergence coefficient) and so on.