http://www.wolframalpha.com/input/?i=minor+scale

http://www.wolframalpha.com/input/?i=pi

http://www.wolframalpha.com/input/?i=3%2C6%2C12%2C24

http://www.wolframalpha.com/input/?i=3%2C6%2C12%2C24+

http://www.wolframalpha.com/input/?i=africa

http://www.wolframalpha.com/input/?i=European+Union&random=true

http://www.wolframalpha.com/input/?i=libra