20 lines
1.1 KiB
Text
20 lines
1.1 KiB
Text
Typesetting values with units requires care to ensure that the
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combined mathematical meaning of the value plus unit
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combination is clear. In particular, the SI units system lays
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down a consistent set of units with rules on how they are to be
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used. However, different countries and publishers have
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differing conventions on the exact appearance of numbers (and
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units). A number of LaTeX packages have been developed to
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provide consistent application of the various rules: SIunits,
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sistyle, unitsdef and units are the leading examples. The
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numprint package provides a large number of number-related
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functions, while dcolumn and rccol provide tools for
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typesetting tabular numbers. The siunitx package takes the best
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from the existing packages, and adds new features and a
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consistent interface. A number of new ideas have been
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incorporated, to fill gaps in the existing provision. The
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package also provides backward-compatibility with SIunits,
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sistyle, unitsdef and units. The aim is to have one package to
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handle all of the possible unit-related needs of LaTeX users.
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The package relies on LaTeX 3 support from the l3kernel and
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l3packages bundles.
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