Most of us can do simple math in our heads, but some people just can’t seem to add two numbers between 0 and 3 without using paper, like [Aliaksei Zholner] does with his fluidic adder circuit built ...

In divide & conquer approach the 16 bit number is divided into individual 8 bits. If we continue to divide we reach the leaf level of the problem. In the leaf level of the D&C Tree is a 1 bit adder, ...