what are hexadecimals?

[ajaymehul]

what are hexadecimals? what are they used for? how do i determine the hexadecimal number of integers? please help. i dont understand the concept of hexadecimal numbers... thanks in advance.

[mutexe]

http://en.wikipedia.org/wiki/Hexadecimal

[Chervil]

Also tutorial on this site:
http://www.cplusplus.com/doc/hex/

[MiiNiPaa]

And Disch explanation: http://www.cplusplus.com/forum/general/135133/#msg721317