里边有各种数学常用的算法,全部用C语言写成,非常实用.

				
				x=0.50    Ci(x)=-0.1777841
				x=2.50    Ci(x)= 0.2858712
				x=4.50    Ci(x)=-0.1934911
				x=6.50    Ci(x)= 0.0111015
				x=8.50    Ci(x)= 0.0994314
				x=10.50    Ci(x)=-0.0782840
				x=12.50    Ci(x)=-0.0114084
				x=14.50    Ci(x)= 0.0655370
				x=16.50    Ci(x)=-0.0403075
				x=18.50    Ci(x)=-0.0211074