Medicine and calculus
found some useful web sites for Dian Dian, an example, http://www.boomer.org/c/p2/syllabus.html, a good model, http://findarticles.com/p/articles/mi_qa3997/is_200209/ai_n9094550/print, a library, http://mathforum.org/library/topics/medicine/
And interestingly, in medicine, Calculus is a disease, kidney stone; while the origin of mathmatical branch might be from the counting stones to calculate.
