The correction is additive for temperatures above 62°, and subtractive for temperatures below 62°.
In Eastern culture, meaning is based on subtractive mechanisms, similar to those of mixing light.
The correction is additive for all temperatures above 62°, and subtractive for temperatures below 62°.
These quantities are additive for years after 1800, and subtractive for years before that epoch.
The additive and subtractive methods are chiefly involved, but there is another method which is an "averaging" additive one.
The chief mixtures of two of the "additive" primaries produce the "subtractive" primaries.
The first number should be additive, the second subtractive, etc.
The colors produced by adding lights are based not on the "subtractive" method but on the actual addition of colors.
These primaries are red, green, and blue and it will be noted that they are the complementaries of the "subtractive" primaries.