| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The instrument called this type of "rule" helps rescue the crew of "Apollo 13" | a slide rule | $1,200 | DJ | MATH IN THE MOVIES | 2017-01-20 | #7450 | |
| Rarely used anymore, this calculating device employs logarithmic scales to multiply numbers | slide rule | $300 | J | MATH | 1995-02-20 | #2416 | |
| If you took advanced algebra in the '60s, you probably used this device based on logarithms | slide rule | $300 | J | MATH | 1989-02-28 | #1042 | |
| Logarithmic tool outmoded by the calculator | a slide rule | $600 | DJ | MATHEMATICS | 1984-12-05 | #63 |