Machin's formula en · PROPN
Etymology
Devised by astronomer John Machin.
Meanings
- A formula for calculating the digits of pi: π/4=4 arctan 1/5- arctan 1/(239)
Dictionary
Words, grammatical forms and meanings linked to the ontology.
Words, grammatical forms and meanings linked to the ontology.
Devised by astronomer John Machin.