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| old_babylonian_scribal_schools [2015/10/25 22:42]  –  gombert | old_babylonian_scribal_schools [2017/02/13 07:39] (current)  – [Table]  gombert | 
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| |   **↓ × 100 **   ||| | |   **↓ × 100 **   ||| | 
| | GAN<sub>2</sub>((see system G below)) | {{:obab_gan2.jpg?nolink|}} | ca. 3600 m<sup>2</sup> | | | GAN<sub>2</sub>((see system G below)) | {{:obab_gan2.jpg?nolink|}} | ca. 3600 m<sup>2</sup> | | 
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|   | System G, used before the sign GAN2 | 
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|   | | {{:obab_shar_u.png?nolink}}  |  **× 10\\ ←**  | {{:obab_shar2.png?nolink}}  |  **× 6\\ ←**  | {{:obab_bur_u.png?nolink}}  |  **× 10\\ ←**  | {{:obab_u.png?nolink}}  |  **× 3\\ ←**  | {{:obab_eshe3.png?nolink}}  |  **× 6\\ ←**  | {{:obab_ash.png?nolink}}  |  **× 2\\ ←**  | {{:obab_ubu.png?nolink}}  | | 
|   | | šar’u                        | :::            | šar<sub>2</sub>             | :::           | bur’u                       | :::            | bur<sub>3</sub>         | :::           | eše<sub>3</sub>             | :::           | iku                       | :::           | ubu                       | | 
|   | | 10 800 iku                   | :::            | 1 080 iku                   | :::           | 180 iku                     | :::            | 18 iku                  | :::           | 6 iku                       | :::           | 1 iku                     | :::           | ½ iku                     | | 
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|   | Examples:\\ | 
|   | {{:obab_ash.png?nolink|}}{{:obab_gan2.jpg?nolink|}}1(iku) GAN<sub>2</sub> represents ca. 3600 m<sup>2</sup>\\ | 
|   | {{:2sysg.png?nolink&25|}}{{:obab_gan2.jpg?nolink|}}2(eše<sub>3</sub>) GAN<sub>2</sub> represents ca. 2×6×3600 m<sup>2</sup>, that is, 43 200 m<sup>2</sup> | 
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| == Units of length == | == Units of length == | 
| Bridge between volume and capacity units: 1 sar-volume is equivalent to 60 gur (ca. 18 m<sup>3</sup> or 18 000 liters).\\ | Bridge between volume and capacity units: 1 sar-volume is equivalent to 60 gur (ca. 18 m<sup>3</sup> or 18 000 liters).\\ | 
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| ===  Numerical systems === | ===  Numbers and fractions === | 
| == System S, used for counting discrete items == | == System S, used for counting discrete items == | 
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| | šar’u | ::: | šar<sub>2</sub> | ::: | geš’u | ::: | geš<sub>2</sub> | ::: |  u  | ::: | diš | | | šar’u | ::: | šar<sub>2</sub> | ::: | geš’u | ::: | geš<sub>2</sub> | ::: |  u  | ::: | diš | | 
| | 36 000 | ::: | 3 600 | ::: | 600 | ::: | 60 | ::: | 10  | ::: |  1 | | | 36 000 | ::: | 3 600 | ::: | 600 | ::: | 60 | ::: | 10  | ::: |  1 | | 
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|   | Some metrological lists or tables provide very large (and unrealistic) numbers: | 
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|   |   * 1 šar<sub>2</sub> gal (60 times 1 šar<sub>2</sub>) appears in CBS 10990, CBS 8214, CBS 10181, HS 249, Ist Ni 4840, YBC 2392, CBS 472, Ash 1931.137  | 
|   |   * 1 šar<sub>2</sub> gal šu-nu tag (60 times 1 šar<sub>2</sub> gal) appears in CBS 10990, CBS 8214, CBS 10181, Ist Ni 4840 (for another reading and interpretation, see Chambon & Robson 2011, "Untouchable or unrepeatable? The upper end of the Old Babylonian metrological systems for capacity and area 127", //Iraq// 73)  | 
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|   | \\ A school tablet from Nippur [[http://www.cdli.ucla.edu/P225766|CBS 11319 +]]) contains on the obverse the unique known text which displays the entire System S in a systematic way (see copy and transliteration in Proust 2008, in Proceedings of the 51st Rencontre Assyriologique Internationale, Biggs et al. ed., SAOC 62, p. 151-152). | 
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| == Variants of System S == | == Variants of System S == | 
| The other measuring units (sila<sub>3</sub>, gin<sub>2</sub>, še, sar, danna, UŠ, ninda, kuš and šu-si) are counted with  <sub>{{:obab_barig.jpg?4*5|}}</sub> (1) and  <sub>{{:obab_u.png?4*5|}}</sub> (10) repeated as many times as necessary.\\ | The other measuring units (sila<sub>3</sub>, gin<sub>2</sub>, še, sar, danna, UŠ, ninda, kuš and šu-si) are counted with  <sub>{{:obab_barig.jpg?4*5|}}</sub> (1) and  <sub>{{:obab_u.png?4*5|}}</sub> (10) repeated as many times as necessary.\\ | 
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| == System G, used for counting the highest unit of surface == |   | 
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| | {{:obab_shar_u.png?nolink|}} |   **× 2\\ ←**   | {{:obab_shar2.png?nolink|}} |   **× 6\\ ←**   | {{:obab_bur_u.png?nolink|}} |   **× 10\\ ←**   | {{:obab_u.png?nolink|}} |   **× 3\\ ←**   | {{:obab_eshe3.png?nolink|}} |   **× 6\\ ←**   | {{:obab_ash.png?nolink|}} |   **× 2\\ ←**   | {{:obab_ubu.png?nolink|}} | |   | 
| | šar’u | ::: | šar<sub>2</sub> | ::: | bur’u | ::: | bur<sub>3</sub>   | ::: | eše<sub>3</sub> | ::: | iku  | ::: | ubu | |   | 
| | 10 800 | ::: | 1 080  | ::: | 180 | ::: | 18 | ::: | 6 | ::: | 1 | ::: | ½ | |   | 
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