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Focused #

Short is default, details on demand. (click)

If you click on items, some will show additional information.

Interactive #

Manipulate diagrams, learn from the response.

Most diagrams should be interactive so that you can see how the output changes if you change the input.

Intuitive #

Consistent notation, structure, and style.

Consistency will aid your understanding and eliminate confusion.

Instant #

Search fuzzy, find answers immediately.(tab)

Hit `tab` and you will already see results while you type.

Community driven #

Free. Open Source. For everyone.

Powered by GitHub. Everyone can contribute to our articles.

References #

Links to Wikipedia and other useful sources.

References help you to find the origin of the information.
Nice interactive demos #

Checkout these pages for some nice interactive demos

Reflection Trigonometry Quadcopter URI Binomial Distribution