As of version 6.0, NearestNeighbor has been superseded by Nearest[{{x_1, y_1}, {x_2, y_2}, ...} -> Automatic, {a, b}].
ZeroQ
(Obsolete Developer Package Symbol) As of Version 6.0, ZeroQ has been superseded by PossibleZeroQ.
In Version 6, ListIntegrate has been superseded by Integrate[Interpolation[data, InterpolationOrder -> k][x], {x, Max[x_c], Min[x_c]}], for data = {{x_1, y_1}, ..., {x_n, ...
As of Version 6.0, NIntegrate natively supports InterpolatingFunction objects.
As of Version 7.0, Eccentricity has become a property of GeodesyData.
As of Version 7.0, GeodeticToAuthalic has been renamed to "FromAuthalicLatitude" and has become a property of GeodesyData.
As of Version 7.0, SemimajorAxis has become a property of GeodesyData.
As of Version 7.0, SphericalDistance has been superseded by GeoDistance.
As of Version 7.0, SpheroidalDistance has been superseded by GeoDistance.