용어사전은  다음을 click하세요. 

  http://www-math.cudenver.edu/~hgreenbe/glossary/intro.html

 http://daisy.uwaterloo.ca/~alopez-o/math-faq\mathtext/math-faq.html

  http://www-math.cudenver.edu/~hgreenbe/courses/3614/F97/3614_F97 .html