Quosera is a questions and answers platform inspired from Quora where people can ask and answers questions. 

Using Quosera, you can easily create your own Q&A community for any purpose. It also ideal for educational and research institutes as they can setup private discussion/Q&A forums with support for TeX and MathML.

Please refer to FAQ if you have any further questions or simply ask a question on the demo site.

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

You bet this is. One of the largest Q&A website in Indonesia is running on Quosera with thousands of active users. Here is the link - https://www.selasar.com/