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.
Unique features:
- High-precision bignum rational arithmetic
- Detailed error messages
- Shows SI physical quantities
- Finds applicable SI derived units automatically
- Helps with dimensionality analysis, such as by offering unit factorizations and finding units for quantities.
- Open source
- First-class support for non-absolute temperature scales
Describes (hopefully) everything you need to know to use Rink's expression language.
Rink is available via the web, so that you don't have to install it.
cargo install rink
Running rink will give you a CLI interface for you to enter queries.
> kWh/year -> W
0.1140795 watt (power)
> W -> J
Conformance error: 1 watt (power) != 1 joule (energy)
Suggestions: multiply left side by time, multiply right side by frequency
> gallon gasoline -> kWh
approx. 36.63388 kWh (energy)
> googol^100
1.0e10000 (dimensionless)
Add this to your Cargo.toml:
[dependencies]
rink = "0.4"and this to your crate root:
extern crate rink;Rink source code is licensed under the Mozilla Public License, version 2. See LICENSE-MPL for details.
The data file definitions.units is licensed under the GNU General
Public License, version 3. See LICENSE-GPL for details.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work will grant the rights lined out in the MPL, including larger works with secondary licenses.