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Topic review (newest first)
The first column was created by dividing 530 by 2 and if there was a remainder ignoring it. The second column was created by the rule if the number next to it is even put a 0, if odd, put a 1.
Now start from the bottom
530 decimal = 1000010010 binary.
Lets do another one.
11571 decimal = 10110100110011 binary
The way I do it is by making a little table of powers of 2.
You don't need a calculator for that.
Not even a calculator?