On Nov 17, 2011, at 8:41 AM, Jos Koot wrote: > That should not be too difficult. I think of: > > Temperatures: Celcius, Fharenheit, Kelvin > Distance: Meters, kilometers, land miles, nautic miles, lightyear nand so > on. > Mass: grams, kilograms, tons, slugs, and so on. > Weight: grams, kilograms, ounces, pounds, and so on. > Force: Newton, dyne, etc. > Energy: Joule, Erg, etc. > May be more. > > This is easy to do. > Most work will be looking up references to physical units. > If no such library exists, I am willing to prepare a function like: > (unit-conversion from-unit to-unit from-number) -> to-number > Where from-unit and to-unit are two symbols naming units of the same > physical dimension.
You may actually consider consuming real names instead of symbols so that people can write expressions such as (convert 1/2 m ft) (convert 212 f c) (convert (sqrt i) g on) ; (I don't know the abbreviation for ounce) -- Matthias _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
