Shadow square
| Type: | Shadow square | 
| Style: | Tangent/Cotangent | 
| Geometry: | Box | 
| Unit of measurement: | Fingers | 
| (Numbering) starts at: | 0 | 
| (Numbering) ends at: | 12 | 
| Numbered: | every 1 | 
| Repeats: | 1 times | 
| Divided every: | 1 (Fingers) | 
| then every: | 0.2 (Fingers) | 
| Notes: | This scale is also numbered every 5 from 0 to 60, divided to 5 and subdivided to 1. | 
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| b: | Left hand bottom face of the shadow square (in LL) (b) | 
Inscription(s):
| Type: | Scale label | 
| Content: | ظل سلم اصابع مستوى | 
| Translation: | Level shadow steps of fingers. | 
| Language: | Arabic | 
| Script: | Nashki | 
| Notes: | |
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