| Answer | Crossword Clue |
|---|---|
| ABACI | Slide rule precursors |
| BESUREYOUTOUCHTHEBASE | Slide rule? |
| LOGARITHM | Slide rule number |
| LOG | Slide rule calculation |
| CALCULATOR | Today's slide rule |
| ANTILOG | Slide rule calculation |
| ANTILOG | Slide rule reading |
| DEPARTEDCOMPANY | National Slide Rule, for example? |
| LOWTECH | Like a slide rule or abacus |
| ROGET | Inventor of the log-log slide rule |
