Computer Science

Humans have always had the need to tell. In the dark
millennia of prehistory, people used fingers or made incisions
on bones. There are about 4000 years early civilizations
developed elaborate numbering system to record transactions
from business to astronomical cycles. The hand tools calculation
appear millennia later. Today, the prodigious complexity of
calculations, as well as the whole set of activities with no
apparent relationship to numbers are made by these
sophisticated "electronic brains"...