Square Root on the Abacus
Doing square root on the abacus ... 5 for the answer. So we’ll use the right-most 10 columns to store “26 28 52 00 00″; the left-most 5 columns to store the answer as we produce it. In between, we’ll pick 6 columns to use for our scratchpad.
Digital Roots and Square Roots
It helps us know whether a number is a perfect square or not, and we can use it to find the square root of perfect squares. For this we need to know the following: Square numbers will only have digital roots 1, 4, 7, 9 They end in 1, 4, 5 ...
DNA computer can calculate square roots
In this case, that answer was a square root: binary 11, or 3. (If I’ve mixed too many metaphors or if it’s still unclear, consult Wiki’s ‘counting in binary’ section and then take a look at a diagram over at Ars Technica.) A set of 4 fluorescent ...
Computing Square Roots on Paper
I’ll also show you just why it works. Suppose you want to take the square root of *n*. Start by writing down *n*. The algorithm is going to work using *pairs* of digits, so you need to divide the number into *pairs* of digits. A pair *can’t* cross the ...
Gaza - is annexation Israel's 'permanent solution'?
The real estate of Gaza would be an additional boon - and a highly valuable one, releasing 365 square kilometres of prime development ... If by some mischance cholera were to take root in Gaza, with its filthy water, lack of electrical power, and failed ...