I am happy to announce the first release of magnitude, a library for computing with physical quantities. It is released under the Apache v. 2 license.
A physical quantity is a number with a unit, like 10 km/h. Units can be any of the SI units, plus a bunch of non-SI, bits, dollars, and any combination of them. They can include the standard SI prefixes. Magnitude can operate with physical quantities, parse their units, and print them. You don't have to worry about unit consistency or conversions; everything is handled transparently. By default output is done in basic SI units, but you can specify any output unit, as long as it can be reduced to the basic units of the phisical quantity. Home page: http://juanreyero.com/magnitude/ Feedback is appreciated. Cheers, jm -- http://mail.python.org/mailman/listinfo/python-list
