Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculating tool
|
| gptkbp:alsoKnownAs |
gptkb:soroban
gptkb:suanpan counting frame |
| gptkbp:component |
beads
rods frame |
| https://www.w3.org/2000/01/rdf-schema#label |
Abacus
|
| gptkbp:influenced |
modern calculators
|
| gptkbp:introducedIn |
circa 2300 BCE
|
| gptkbp:material |
metal
wood beads |
| gptkbp:notableExample |
gptkb:Chinese_suanpan
gptkb:Japanese_soroban gptkb:Russian_schoty |
| gptkbp:originatedIn |
gptkb:ancient_China
gptkb:ancient_Egypt gptkb:ancient_Mesopotamia |
| gptkbp:replacedBy |
calculator
|
| gptkbp:type |
gptkb:Chinese_abacus
gptkb:Japanese_abacus gptkb:Roman_abacus |
| gptkbp:UNESCOWorldHeritageSite |
no
|
| gptkbp:usedBy |
gptkb:merchant
students merchants |
| gptkbp:usedFor |
arithmetic calculations
|
| gptkbp:usedIn |
education
mental arithmetic training |
| gptkbp:bfsParent |
gptkb:calculator
|
| gptkbp:bfsLayer |
4
|