Computers—the machines we think with

by D. S. Halacy

835

835

835

835

835

8350

83500

——

97695

A moment’s reflection will show that this is the same as adding 7 times 835, 10 times 835, and 100 times 835. And of course the computer arrives at the answer in about the time it takes us to start drawing the line under our multiplier.