User:Ironchef

• Help:Formula

${\dot {x}}={\frac {dx}{dt}}=x'(t)$

${\ddot {x}}=x''(t)$

$(a+b)^{2}=a^{2}+b^{2}$

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2. http://www.guoxue.com/ - http://www.guoxue.com/jinbu/13jing/liji/lijj018.htm

3. MIT's OpenCourseWare http://ocw.mit.edu

4. Statistics

http://www.visualstatistics.net/
http://davidmlane.com/hyperstat/index.html

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