#abacus
English
Edit on Github- a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
- Pos: noun
- a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves
- Pos: noun
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Edit on Github- تاوه روى سرستون
- چرتکه
- تخته روى سرستون( معمارى)
- گنجه ظرف
- لوحه مربع موزائيک سازى