| 2026-03-23 | Expression of proportion |
| 2025-07-15 | Debt to equity, for example |
| 2025-03-04 | Nine to five, for example |
| 2024-04-29 | Pi is one, for the circumference of a circle to its diameter |
| 2024-04-20 | 4-Down, e.g. |
| 2024-01-01 | Proportion |
| 2023-04-21 | Two to one, e.g. |
| 2023-01-06 | Consideration when doubling a recipe, perhaps |
| 2022-12-04 | Proportion |
| 2022-10-16 | 12/25, e.g. |
| 2022-09-01 | Relationship with a statistics teacher? |
| 2022-01-26 | 5:1, e.g. |
| 2021-03-03 | Ten to one, for one |
| 2020-07-21 | 20:20, e.g. |
| 2020-07-05 | Two to one, say |
| 2020-04-22 | 12/31, for one |
| 2020-03-02 | 10:1, e.g. |
| 2019-12-01 | Fuel mileage, for example |
| 2019-04-25 | Pi or phi, in math |
| 2018-07-21 | What gears in a gear assembly have |
| 2018-06-29 | Golden ___ |
| 2018-06-22 | Sine, cosine or tangent |
| 2016-10-17 | Ten to one, for one |
| 2016-07-24 | 24/7, for instance |
| 2016-01-27 | Sine, for example |
| 2012-03-18 | Tangent, e.g. |
| 2011-06-01 | Five to one, e.g. |
| 2010-11-02 | It may be "golden" in mathematics |
| 2010-09-07 | Two to one or three to one |
| 2010-08-11 | Track odds, e.g. |
| 2010-05-29 | 9 to 5, e.g. |
| 2010-04-12 | 3:5, e.g. |
| 2010-01-29 | One thing on top of another? |
| 2009-12-13 | Numerical comparison |
| 2009-05-12 | Sine, cosine or tangent |
| 2009-02-16 | 3:1 or 7:2, e.g. |
| 2008-11-06 | 20/20, e.g. |
| 2008-07-20 | Batting average, e.g. |
| 2007-08-19 | Sine or cosine |
| 2006-09-28 | Batting average, e.g. |
| 2006-08-20 | Sine or cosine |
| 2006-06-14 | Sine or cosine |
| 2006-02-07 | 4:1, e.g. |
| 2005-11-07 | Three to one, e.g. |
| 2005-10-05 | Pi, for one |
| 2005-04-27 | Betting odds, for example |
| 2004-02-24 | Pi, e.g. |
| 2003-01-30 | 12/25, e.g. |
| 2001-02-01 | Connecting gears have it |
| 2000-11-20 | 2:1 or 3:2 |
| 2000-01-30 | Pi, e.g. |
| 1999-12-27 | 2:1, e.g. |
| 1998-12-26 | I.Q., e.g. |
| 1998-07-26 | Tangent or secant |
| 1998-06-09 | 5 to 1, say |
| 1998-05-31 | Tangent, e.g. |
| 1998-05-28 | Relationship |
| 1997-11-28 | Statistical bit |
| 1996-11-12 | Five-to-one, e.g. |
| 1996-10-20 | Cosine or secant |
| 1996-08-01 | Gear computation |
| 1996-02-14 | 2:1, e.g. |
| 1995-12-26 | Price-earnings ____ |
| 1995-09-25 | Proportion |
| 1994-12-05 | Proportion |
| 1994-11-14 | Proportion |
| 1994-05-17 | 2:1, e.g. |