Calculators don't deal with non-terminating decimals. They truncate them according to their own (unstated) rules, which vary between models.
It seems to me that one of the arguments for using decimals more and fractions less is that decimals are what appear on (most) calculators. I have found that students tend to completely miss the idea that there's more to the decimal expansion than they see on the screen.
Susan Addington (email@example.com) Math Department, California State University San Bernardino, CA 92407 phone: (909) 880-5362 fax: (909) 880-7119 World Wide Web: http://www.math.csusb.edu/susan/home.html
On Wed, 21 Jun 1995, Tad Watanabe wrote:
> Someone said somthing about not being able to deal with non-terminating > decimals, but we use those bars over the repetend to indicate them, don't we?