To fit well with powers of two, we really want to think about multiply the whole thing by 0.8 and then divide by 8. So adding one right shift to two right shifts gets us 0.75, which isn’t too ...

And, critically, the method maps to a binary number system. Binary is the common term for what's technically the base-2 number system, where values are represented by 0 and 1 positioned in powers ...