>From: masa / stars.gsfc.nasa.gov
>Subject: [ruby-talk:12839] Re: units of measure

> I have just finished unit parser, which can read "1e-26 W/(m2 Hz)".
> Reading units.dat in, unit conversion like cm <-> inch is available.
> I am writing a class like your Quantity, featuring
> 
>   Units(3,'cm') + Units(2,'inch') #=> Units(8.08,'cm')

I put the product at

  http://www.ir.isas.ac.jp/~masa/ruby/index-e.html#units

I wonder there is more suitable name than "class Units".

M.Tanaka