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A high precision scientific calculator with full support for physical units. Operators: addition (+), subtraction (-), multiplication (*, ·, ×), division (/, ÷, per), exponentiation (^, **). Full list: see Reference below.
Everyone have written their share of trivial conversions - or less obvious ones where you need to Google that magic constant. Stop littering your code with unnecessary calculations, Units.NET gives you all the common units of measurement and the conversions between them. It is lightweight and thoroughly tested.
The extraction code was originally written for the inter i18n library, but can be used on its own. To understand the data itself, you might need to dive into the LDML specification, which describes the schema of the CLDR XML files.
Rink is a unit-aware calculator. It can be used for physics and engineering calculations, as well as dimensionality analysis. Rink supports most systems of measurements including SI, CGS, natural, international customary, US customary, UK customary, as well as historical measurements. In addition, Rink supports currency conversions.
A PureScript library to represent and work with physical quantities and units. Note that this library focuses on a representation at run time as opposed to other projects which use the type system to encode physical units at compile time.
Unitful is a Julia package for physical units. We want to support not only SI units but also any other unit system. We also want to minimize or in some cases eliminate the run-time penalty of units. There should be facilities for dimensional analysis. All of this should integrate easily with the usual mathematical operations and collections that are found in Julia base. Stable and latest versions available.
This library generalizes and unifies the notion of measures used in Compose, Compose3D, and Escher. It allows building up and representing expressions involving differing types of units that are then evaluated, resolving them into absolute units.
A unit conversion library for Node.JS that comes with a default unit conversion database and the ability to extend the database with custom metrics. With custom units you can also overwrite any previously defined units.