... ancient China and Babylon. There is still some dispute over who first invented it(Maxfield and Brown 41). Next was the Leonardo Da Vincis "machine" for arithmetic calculations (the credit is usually given to Blaise Pascal,but it was recently proven that Da Vincis was invention was a hundred fifty years earlier ... thesis of the twentieth century by many leading scientists. To understand why this is felt, know that electronics engineers still use these techniques as a cornerstone for their design of electronic circuits today. Jumping ahead once more to 1971,we see the invention of the firs...

• Word Count: 1964
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School