Support for physical quantities with units, based on numpy
Description
Quantities is designed to handle arithmetic and conversions of physical
quantities, which have a magnitude, dimensionality specified by various units,
and possibly an uncertainty. See the tutorial for examples. Quantities builds
on the popular numpy library and is designed to work with numpy ufuncs, many of
which are already supported. Quantities is actively developed, and while the
current features and API are stable, test coverage is incomplete so the package
is not suggested for mission-critical applications.