WolframAlpha

It is a platform that allows users to compute answers using Wolfram’s technology and knowledge base . It provides a wide range of information and tools for computing answers related to math, science, nutrition, engineering, social sciences, and more.
Wolfram Alpha can be used by professionals, students, and hobbyists to solve problems related to a variety of domains. Some of the use cases of Wolfram Alpha are:Mathematics,Scientific questions,Engineering questions and much more.