floating point issues

[geekocoder]

can anyone plz give me a link to a tutorial for understanding floating point issues and reasons behind behind these issues in c?????

[JLBorges]

http://www.cs.utah.edu/~zachary/isp/applets/FP/FP.html
http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
http://en.cppreference.com/w/cpp/numeric/fenv
http://pubs.opengroup.org/onlinepubs/009604599/basedefs/fenv.h.html