bibliography
mathwarehouse.com
mathisfun.com
References
-Morris, V (n.d.). Mathwarehouse.com.
Retrieved from
http://www.mathwarehouse.com
-Pierce, Rod (18 Aug 2012). " About math is fun
". Math is fun. Retrieved 15 Jan 2014 from
http://www.mathisfun.com/aboutmath
isfun.html
mathwarehouse.com
mathisfun.com
References
-Morris, V (n.d.). Mathwarehouse.com.
Retrieved from
http://www.mathwarehouse.com
-Pierce, Rod (18 Aug 2012). " About math is fun
". Math is fun. Retrieved 15 Jan 2014 from
http://www.mathisfun.com/aboutmath
isfun.html