File:Tally marks counting visitors.jpg
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Summary
| Description |
English: Unary numerals: Visitors being counted manually by using an unary numral system. Note that different persons had made the tally marks, and that two of the groups of tally marks actually are wrong.
Svenska: Unära talsystemet: Manuellt förd besökarräkning genom att gruppera lodräta streck i grupper om fyra med det femte strecket diagonalt över gruppen. Notera att flera olika personer satt strecken, samt att två av grupperna inte har korrekt antal streck. Kolumnen längst till vänster innehåller nerkortade datum skrivna med arabiska siffror. |
| Date | |
| Source | Own work |
| Author | Gunnar Creutz |
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:20, 3 July 2010 | | 1,076 × 590 (330 KB) | Achird | {{Information |Description={{en|1=Unary numerals: Visitors being counted manually by using an unary numral system. Note that different persons had made the tally marks, and that two of the groups of tally marks actually are wrong. }} {{sv|1=Unära talsyst |
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