Selected category: length.
Selected initial unit : point (TeX).
Definition and details for point (TeX):
TeX point (pt) is a unit of length used in the TeX computer typesetting system by Donald Knuth. It is based on the "Johnson pica" which was adopted as the official standard in 1986 by the Fifteenth Meeting of the Type Founders Association of the United States. TeX point is about 351.5 micrometers. Today it's been replaced by the current computer based DTP point system.
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