Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:application |
high-precision computation of π
|
| gptkbp:category |
gptkb:mathematical_concept
|
| gptkbp:field |
gptkb:mathematics
|
| gptkbp:firstPublished |
1706
|
| gptkbp:form |
π/4 = 4 arctan(1/5) - arctan(1/239)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Machin series
|
| gptkbp:namedAfter |
gptkb:John_Machin
|
| gptkbp:relatedTo |
arctangent series
|
| gptkbp:type |
arctangent identity
|
| gptkbp:usedFor |
calculation of pi
|
| gptkbp:bfsParent |
gptkb:Queen_Elizabeth_II_definitive_series
|
| gptkbp:bfsLayer |
6
|