[Wolves] Bitwise AND

[Matthew Revell]

Howdy Aq and Leep,

Aquarius said:

> Imagine two numbers in binary form:
>
> 00011010  -- 26  ( 0*128 + 0*64 + 0*32 + 1*16 + 1*8 + 0*4 + 1*2 + 1*1 )
> 10110110  -- 182 ( 1*128 + 0*64 + 1*32 + 1*16 + 0*8 + 1*4 + 1*2 + 0*1 )

So, if you did:

if ($n & 1 = 1) return "odd";

then the reason it can let you know if a number is odd or even is because
it can only ever match all the numbers with 1 if the number is odd.

So, that's cool, but what else would you want to use it for?

Cheers both for your answer.

Matthew.