上課提及過的網頁

http://www.livephysics.com/simulations/mathematics-sim/quadratic-equation-graph/

http://ctext.org/zhou-bi-suan-jing/juan-shang/zh

http://ctext.org/sunzi-suan-jing/zh

http://www.wul.waseda.ac.jp/kotenseki/html/i16/i16_01173/index.html

http://www.wul.waseda.ac.jp/kotenseki/html/ni05/ni05_00865/index.html

http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/fibnat.html