Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
abacus
ancient calculating device |
| gptkbp:feature |
grooved board
sliding beads |
| gptkbp:foundIn |
gptkb:British_Museum
gptkb:Museo_Nazionale_Romano |
| gptkbp:hasRows |
seven
|
| https://www.w3.org/2000/01/rdf-schema#label |
Roman abacus
|
| gptkbp:influenced |
medieval European counting boards
|
| gptkbp:influencedBy |
Greek abacus
|
| gptkbp:material |
metal
wood |
| gptkbp:period |
gptkb:Ancient_Rome
|
| gptkbp:relatedTo |
gptkb:Chinese_abacus
Roman numerals |
| gptkbp:usedBy |
gptkb:Ancient_Romans
|
| gptkbp:usedFor |
gptkb:division
addition multiplication subtraction arithmetic calculations |
| gptkbp:bfsParent |
gptkb:Abacus
|
| gptkbp:bfsLayer |
5
|