# [Tutor] Why doesn't this work??

**Deirdre Saoirse
**
deirdre@deirdre.net

*Mon, 31 Jul 2000 15:48:20 -0700 (PDT)*

On Mon, 31 Jul 2000, Carl Kreider wrote:
>* I agree that 0, 20, 30, and 40 mod 10 yield 0, but since
*>* when does 10, 50, or 60 mod 10 yield 10? Do I misremember
*>* how mod works?
*
mod is an integer-based function, so yes, you misremembered.
You'll get quite different results if you change two lines as follows:
num = (int) (T / dt)
den = (int) (interval / dt)
--
_Deirdre * http://www.sfknit.org * http://www.deirdre.net
"We can always count on the British. Except for the Revolutionary War
they've been perfect." -- Mel Brooks, on the first Concorde flight since
the Paris crash.