### - d -

- D() : GeographicLib::EllipticFunction
- date() : GeographicLib::Utility
- DateTime() : GeographicLib::Geoid, GeographicLib::GravityModel, GeographicLib::MagneticModel
- DAuxLatitude() : GeographicLib::DAuxLatitude
- day() : GeographicLib::Utility
- DClenshaw() : GeographicLib::DAuxLatitude
- DConvert() : GeographicLib::DAuxLatitude
- DecimalPrecision() : GeographicLib::Geohash
- Decode() : GeographicLib::DMS, GeographicLib::MGRS
- DecodeAngle() : GeographicLib::DMS
- DecodeAzimuth() : GeographicLib::DMS
- DecodeEPSG() : GeographicLib::UTMUPS
- DecodeLatLon() : GeographicLib::DMS
- DecodeZone() : GeographicLib::UTMUPS
- DefaultGeoidName() : GeographicLib::Geoid
- DefaultGeoidPath() : GeographicLib::Geoid
- DefaultGravityName() : GeographicLib::GravityModel
- DefaultGravityPath() : GeographicLib::GravityModel
- DefaultMagneticName() : GeographicLib::MagneticModel
- DefaultMagneticPath() : GeographicLib::MagneticModel
- degree() : GeographicLib::Constants
- Degree() : GeographicLib::GravityModel, GeographicLib::MagneticModel
- degree() : GeographicLib::Math
- degrees() : GeographicLib::AuxAngle
- Delta() : GeographicLib::EllipticFunction
- deltaD() : GeographicLib::EllipticFunction
- deltaE() : GeographicLib::EllipticFunction
- deltaEinv() : GeographicLib::EllipticFunction
- deltaF() : GeographicLib::EllipticFunction
- deltaG() : GeographicLib::EllipticFunction
- deltaH() : GeographicLib::EllipticFunction
- deltaPi() : GeographicLib::EllipticFunction
- Description() : GeographicLib::Geoid, GeographicLib::GravityModel, GeographicLib::MagneticModel
- digits() : GeographicLib::Math
- digits10() : GeographicLib::Math
- Direct() : GeographicLib::Geodesic, GeographicLib::GeodesicExact, GeographicLib::Rhumb
- DirectLine() : GeographicLib::Geodesic, GeographicLib::GeodesicExact
- DIsometric() : GeographicLib::DAuxLatitude
- Dist() : GeographicLib::Intersect
- Distance() : GeographicLib::GeodesicLine, GeographicLib::GeodesicLineExact
- Disturbance() : GeographicLib::GravityCircle, GeographicLib::GravityModel
- Dlam() : GeographicLib::DAuxLatitude
- DMSRepresentation() : GeographicLib::GeoCoords
- dow() : GeographicLib::Utility
- Dp0Dpsi() : GeographicLib::DAuxLatitude
- DParametric() : GeographicLib::DAuxLatitude
- DRectifying() : GeographicLib::DAuxLatitude
- DST() : GeographicLib::DST
- DynamicalFormFactor() : GeographicLib::NormalGravity