| Rating | Solver | Clue |
|---|---|---|
| SHREWD | Calculating | |
| FIGURINGOUT | Calculating | |
| ABACI | Calculating tools | |
| ABACUS | Calculating frame | |
| ARITHMOMETER | A calculating machine. | |
| COMPUTING | Calculating it was put into Advent | |
| WISE | Hence, prudent; calculating; shrewd; wary; subtle; crafty. | |
| ALGORITHM | The art of calculating by nine figures and zero. | |
| CALCULATING | Given to contrivance or forethought; forecasting; scheming; as, a cool calculating disposition. | |
| CALCULATION | The act or process, or the result, of calculating; computation; reckoning, estimate. | |
| PERIODOSCOPE | A table or other means for calculating the periodical functions of women. | |
| GENETHLIACS | The science of calculating nativities, or predicting the future events of life from the stars which preside at birth. | |
| DEDUCT | To take away, separate, or remove, in numbering, estimating, or calculating; to subtract; -- often with from or out of. | |
| STOICHIOMETRY | The art or process of calculating the atomic proportions, combining weights, and other numerical relations of chemical elements and their compounds. | |