Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
abacus
|
| gptkbp:alsoKnownAs |
gptkb:schoty
|
| gptkbp:category |
mathematical tool
counting device |
| gptkbp:feature |
beads moved left to right
single slanted deck ten beads per wire |
| https://www.w3.org/2000/01/rdf-schema#label |
Russian abacus
|
| gptkbp:introduced |
17th century
|
| gptkbp:material |
wood
|
| gptkbp:origin |
gptkb:Russia
|
| gptkbp:relatedTo |
gptkb:Chinese_abacus
gptkb:Japanese_abacus |
| gptkbp:status |
largely replaced by calculators
|
| gptkbp:usedBy |
students
merchants shopkeepers |
| gptkbp:usedFor |
arithmetic calculations
|
| gptkbp:usedIn |
gptkb:Russia
gptkb:former_Soviet_Union |
| gptkbp:bfsParent |
gptkb:Russian_schoty
|
| gptkbp:bfsLayer |
6
|