Florian Gross wrote: > # output > precision = 5 > result.to_d(precision).to_s("F") # => "0.10467" Next, on the "for matz to do" angle, we might need a little lecture here on how easily Ruby will let you wrap your methods up in reusable classes, such as BizNum. Quite unlike a BASIC... -- Phlip http://www.oreilly.com/catalog/9780596510657/ ^ assert_xpath http://tinyurl.com/23tlu5 <-- assert_raise_message