From: m4dc4p Date: 2005-10-07T09:46:50+09:00 Subject: Re: Google Calculator command line tool I should have explained the format_result proc a little. Google's responses have spaces (using ' ') instead of commas, so that is the first replacement. The second two deal with scientific notation. Try entering a query like "400 lightyears * 10 parsecs" and you will see the characters its trying to replace.