| AcuMath |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Apr-2004 |
| 10 VINTAGE ACUMATH 400 SLIDE RULES RULE MINT o | $63.87 | 23-Apr-2004 | 9 |
| 10 VINTAGE ACUMATH 400 SLIDE RULES RULE MINT o | $46.00 | 13-Apr-2004 | 4 |
| Acumath Ruler pocket style sliderule | $9.99 | 14-Apr-2004 | 1 |
| Acumath Slide Rule/Instruction Manual | $5.00 | 14-Apr-2004 | 1 |
| Vintage 1968 Acumath Slide Rule | $3.00 | 26-Apr-2004 | 1 |
| ACUMATH 400 Slide Rule with Vinyl Case Rules | $1.25 | 24-Apr-2004 | 2 |
| ACUMATH NO. 400 SLIDE RULE | $23.00 | 21-Apr-2004 | 0 |
| ACUMATH VINTAGE SLIDE RULE 1968 | $10.00 | 23-Apr-2004 | 0 |
| "60s, 70s AcuMath SLIDE RULE, Case, Booklet, N | $8.99 | 25-Apr-2004 | 0 |
| Vintage Mannheim Acumath Slide Rule Case & Boo | $6.99 | 22-Apr-2004 | 0 |
| "ACUMATA by Sterling 12"" Slide Rule in Case" | $3.99 | 19-Apr-2004 | 0 |
| Vintage Acumath Slide Rule in Sheath | $2.00 | 25-Apr-2004 | 0 |