SLBoat Bit Calc app for iPhone and iPad
A bit calc demo app,you can easy to understand how the bit operate work.
Bit operation always puzzles me, I can not imagine how a decimal number into a bit for bit manipulation .... how I know it can get results, but I do not know every detail of how it happened, because I made this little tool to simulate the operation of the bit, so I would like to be more familiar with and comprehend it is actually a binary arithmetic of.