>Does anyone know why I get a series of ****** when I divide a negative number by 0 instead of a zero as in the code below.
>
>?-1/0
> or
>x=-1
>y=0
>?x/y
>
>Yet when I turn it around and divide 0 by a negative number I always get a zero as expected.
>
>
>Keith Larsen

Basic math:

Any positive number divided by zero is +infinity (numeric overflow, or row of **** as you saw).
Any negative number divided by zero is -infinity
0/0 is undefined.

Zero divided by any non-zero number is always zero.