Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculating device
|
| gptkbp:category |
mathematical tool
|
| gptkbp:displayedAt |
gptkb:National_Museum_of_Scotland
|
| gptkbp:historicalSignificance |
early mechanical calculator
|
| https://www.w3.org/2000/01/rdf-schema#label |
Napier's bones
|
| gptkbp:introducedIn |
1617
|
| gptkbp:inventedBy |
gptkb:John_Napier
|
| gptkbp:material |
gptkb:bone
ivory metal wood |
| gptkbp:namedAfter |
gptkb:John_Napier
|
| gptkbp:purpose |
gptkb:division
multiplication extraction of square roots |
| gptkbp:relatedTo |
gptkb:slide_rule
logarithms |
| gptkbp:usedBy |
gptkb:engineer
gptkb:mathematician merchants |
| gptkbp:usedIn |
gptkb:mathematics
|
| gptkbp:bfsParent |
gptkb:Slide_rule
|
| gptkbp:bfsLayer |
5
|