Shadow square
| Type: | Shadow square |
| Style: | Tangent/Cotangent |
| Geometry: | Box |
| Unit of measurement: | Fingers |
| Numbered: | Not numbered |
| Repeats: | 2 times |
| Divided every: | 1 (Fingers) |
| Notes: | The scale is divided to 12 units |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| UL: | Upper left quadrant (inside circular scales) (UL) |
Inscription(s):
| Type: | Scale label |
| Content: | ظل المبسوط |
| Translation: | Level shadow [scale] |
| Language: | Arabic |
| Script: | Nashki |
| Notes: | This is located on the vertical side of the scale |
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| Type: | Scale label |
| Content: | ظل النكوس |
| Translation: | Inverted shadow [scale] |
| Language: | Arabic |
| Script: | Nashki |
| Notes: | This is located on the horizontal side of the scale |
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