piclist-bounces@mit.edu wrote: > On 4/20/06, Mike Hord wrote: >> >> How good a match do you need? If you REALLY need to know exactly >> what it is, pen and paper might be your best bet. >> >> 16^16 = 18446744073709551616 >> >> Square that, and there's your answer. >> >> Mike H. > > > Is't it 256 ^ 16 ? Assuming it is an unsiged number it should be (16^32)-1. Maybe an example is easiest to understand: 0xF = (16^1)-1 = 15 0xFF = (16^2)-1 = 255 0xFFFF = (16^4)-1 = 65535 Remember that while each hex digit is base-16, it represents 0 to 15... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist