Mechanical calculators, unable to guess, plod through repeated subtractions. |
In those days, mainframe computers were coming into usage and electronic calculators were also just appearing. |
The staff is hustling during the back-to-school season to match middle schoolers with backpacks and college students with graphing calculators. |
The arithmetic of gossip usually makes two and two equal five, but this time, the whisperers seem to be using calculators instead of fingers. |
And some were just downright practical with calculators, measuring tapes and bottles of water. |
Using hand-operated desk calculators, approximately 120 man-days were required to obtain a solution. |