| Calculators that don't need batteries |
| Calculators often made with bamboo frames |
| Hand calculators |
| Primitive or root word |
| Pertaining to primitive horses |
| Primitive Japanese |
| Primitive calculators |
| Rudimentary calculators |
| Calculators with sliding beads |
| According to the '60s sitcom's theme song: "It's primitive as can be ... here on ___": 2 wds. |
| Calculators of old |
| Property tax calculators |
| Beady calculators |
| Collectible calculators |
| Primitive timepiece |
| Primitive signatures |
| A calculator assists with it |
| Primitive counters |
| Primitive area, and what's literally found in this puzzle's circles |
| Clicking calculator |
| Advanced calculator function |
| Calculators |
| Primitive artist Ralph et al. |
| Chinese calculators |
| Beaded calculators |
| Calculator ancestors |
| Calculators' ancestors |
| Beaded calculator |
| Primitive implements |
| Precalculator calculator |