Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculator
|
| gptkbp:alsoKnownAs |
gptkb:Arithmetic_Machine
gptkb:Pascal's_calculator |
| gptkbp:displayType |
mechanical wheels
|
| gptkbp:historicalSignificance |
one of the earliest mechanical calculators
|
| https://www.w3.org/2000/01/rdf-schema#label |
Blaise Pascal's Pascaline
|
| gptkbp:influenced |
gptkb:Gottfried_Wilhelm_Leibniz's_Stepped_Reckoner
|
| gptkbp:influencedBy |
John Napier's work
|
| gptkbp:introducedIn |
1642
|
| gptkbp:inventedBy |
gptkb:Blaise_Pascal
|
| gptkbp:locationOfFirstModel |
gptkb:France
|
| gptkbp:material |
brass
wood |
| gptkbp:mechanismOfAction |
carry mechanism for addition
|
| gptkbp:museum |
gptkb:Musée_des_Arts_et_Métiers,_Paris
|
| gptkbp:numberOfPrototypes |
about 20
|
| gptkbp:operatedBy |
turning dials
|
| gptkbp:patent |
1649
|
| gptkbp:purpose |
addition
subtraction |
| gptkbp:usedBy |
tax collectors
|
| gptkbp:bfsParent |
gptkb:Schickard's_calculating_clock
|
| gptkbp:bfsLayer |
6
|