Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculation tool
|
| gptkbp:alternativeName |
counting frame
|
| gptkbp:category |
ancient technology
educational tools mathematical tools |
| gptkbp:component |
beads
rods frame |
| gptkbp:hasVariant |
gptkb:Russian_abacus
gptkb:schoty gptkb:Japanese_abacus gptkb:Roman_abacus gptkb:soroban gptkb:suanpan |
| https://www.w3.org/2000/01/rdf-schema#label |
Abakus
|
| gptkbp:influenced |
computing devices
modern calculators |
| gptkbp:material |
gptkb:stone
metal wood |
| gptkbp:originatedIn |
gptkb:ancient_China
gptkb:ancient_Egypt gptkb:ancient_Mesopotamia |
| gptkbp:usedBy |
students
merchants clerks |
| gptkbp:usedFor |
arithmetic
counting |
| gptkbp:bfsParent |
gptkb:Russ_Davies
|
| gptkbp:bfsLayer |
7
|