[[Explain idioms of "computer arithmetic".]]
 % expr 1/2
 0
See [expr problems with int] for more on integer division and how to avoid it.

----
rdt : 2005-01-27 : This is a property of integers that can take on values of 0,1,2,... and therefore have no values between 0 and 1.  However:
 % expr 1.0 / 2
 0.5
The expected value.