2011/9/11 Joe Collins <joec_49 / hotmail.com>:
> I tried n.round(2) and gave an error - didnt want the 2 argument. I am
> using an older version of ruby?
>

In 1.8.x, round() simply rounded to nearest integer.

http://www.ruby-doc.org/core-1.8.7/classes/Float.html#M000650

You should update to Ruby 1.9.2.

-- Matma Rex