| Name | Graphoplex Calculateur Roplex Variant |
| Front Scales | n = n n2 = n2 = 1/n |
| Back Scales | n3 S L O T S&T |
| Type of Rule | disc(s) |
| Material | plastic |
| Dimension (mm) | 130x130x6 |
| Area of Use | generic |
| Origin of Rule | IJzebrand Schuitema |
| Match Number | 3853 |
| Comment | |
| Thumbnail |  |