Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
abacus
|
| gptkbp:hasBeadsPerRod |
5
|
| gptkbp:hasColumnSeparator |
yes
|
| gptkbp:hasDecimalSystem |
yes
|
| gptkbp:hasEarthBeads |
4
|
| gptkbp:hasHeavenBeads |
1
|
| gptkbp:hasRows |
multiple
|
| https://www.w3.org/2000/01/rdf-schema#label |
soroban
|
| gptkbp:introduced |
16th century
|
| gptkbp:material |
gptkb:plastic
wood |
| gptkbp:originatedIn |
gptkb:China
|
| gptkbp:relatedTo |
gptkb:Chinese_suanpan
gptkb:Roman_abacus gptkb:Russian_schoty |
| gptkbp:teaches |
mental calculation
|
| gptkbp:usedBy |
students
merchants accountants |
| gptkbp:usedFor |
gptkb:division
addition multiplication subtraction arithmetic calculation |
| gptkbp:usedIn |
gptkb:Japan
|
| gptkbp:usedInCompetition |
yes
|
| gptkbp:bfsParent |
gptkb:Abacus
|
| gptkbp:bfsLayer |
5
|