26497

Question:
For example, If I give the it a circle and a square, it can tell me how much area they overlaps.
Answer1:Wikipedia has a <a href="http://en.wikipedia.org/wiki/List_of_numerical_libraries#.NET_Framework_Languages_C.23.2C_F.23_and_VB.NET" rel="nofollow">list of numerical libraries</a>.
I like <a href="http://numerics.mathdotnet.com/" rel="nofollow">Math.Net</a>
Answer2:use <a href="http://www.cs.man.ac.uk/~toby/alan/software/" rel="nofollow">GPC</a> library.