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Classes of units in the SI

1978; American Institute of Physics; Volume: 46; Issue: 1 Linguagem: Inglês

10.1119/1.11124

1943-2909

Chester H. Page,

Statistical and numerical algorithms

The mathematical nature of the categories of base, supplementary, and derived units in the SI is explained, and the usual definition of ’’supplementary’’ modified to be more precise. An argument is presented for adding ’’neper’’ to the SI as a supplementary unit.