| Answer | Crossword Clue |
|---|---|
| ABACI | Calculating machines of old |
| QUIPU | Old Peruvian calculating device |
| SLIDERULE | Old math calculating tool |
| ONEARM | Feature of old slot machines |
| SPINNINGWHEELS | Old yarn-making machines |
| Answer | Crossword Clue |
|---|---|
| ABACI | Calculating machines of old |
| QUIPU | Old Peruvian calculating device |
| SLIDERULE | Old math calculating tool |
| ONEARM | Feature of old slot machines |
| SPINNINGWHEELS | Old yarn-making machines |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.