In the beginning of mankind, one tool has lasted threw the century and is still used today. This tool was the calculator. The calculator is a machine which makes doing math and number work easier. The first calculator to historian's knowledge that was widely used was the Abacus. The Abacus was an ingenious counting device based on the relative positioning of two sets of beads that move on parallel strings. The first Abacus was so …showed first 75 words of 1077 total…

…showed last 75 words of 1077 total…today. DNA and Quantum computer will be able to process hundred thousand times faster then any computer we have to date and are the future for the calculator. Calculators have advanced so much over such a small time, think of what will be possible in the future of calculators, and processing of numbers. It's unbelievable that from just an abacus we could evolve to such things as computers, or personal calculators like we have today.