Common Geographical Functions in Purescript
-- returns flatteningFactor of Earth in kms
flatteningFactor :: Quantity
-- returns equatorialRadius of Earth in kms
equatorialRadius:: Quantity
-- returns polarRadius of Earth in kms
polarRadius :: Either ConversionError Quantity
-- measure of how out of round our Earth is (in kms)
eccentricityOfEarthMeridian :: Either ConversionError Quantity