Rod Lovett and FanHsiu Chang's Commercial Slide Rule Archive |
| Complete Archive | Search | References | What is New |
| 23rd April 2025 | Farmar's Wine & Spirit Merchant Rule | New Entry |
| 23rd April 2025 | Farmar's Standard Rule for the Entire Wine and Spirit Trade | New Entry |
| 23rd April 2025 | Farmar's Computing Rule | New Entry |
| 11th April 2025 | Faber Castell 20/70 | New Entry |
| 11th April 2025 | Inglis Bank Interest Calculator | New Entry |
| 8th April 2025 | Minerva Caltaux | New Entry |
| 8th April 2025 | Prozenta | New Entry |