วิวัฒนาการของเครื่องคิดเลข เมื่อมนุ

The evolution of the calculator. When men know how to count, thinking of trying to find a way to count their own fingers by first making it count. When a finger is not enough, try to think of other examples of equipment instead of counting stone pebbles knot rope. Shell

Evolution of the calculator when the man known as the count began to think there was an attempt to find out how. In his own count First, it allows the fingers to count. When the finger is not enough for the count. I tried to think of other devices instead by counting the stones, pebbles, shells knot.

The evolution of the calculator

.When the man known to think, know counting began trying to find a way to count your own by first fingers in counting. When the finger is a device that is not enough for counting. Try to think of the device otherwise.By starting from the stones, pebbles, knot, shells.