Answers

2014-07-30T18:54:30+08:00
Divide it continously by 2. If there is a remainder, write 1, if there is none, write 0. read it backwards. For example:

5 divide by 2 is 2 remainder 1.
2 divide by 2 is 1 remainder 0.

thus binary of 5 is 101.

get it? kinda difficult to explain without paper eh
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