strange behavior of math.sqrt() in new 3.0 version

[Steve Holden]

Tim Roberts wrote:
> Scott David Daniels <Scott.Daniels at Acm.Org> wrote:
>> I avoid using single-letter variables except where I know the types
>>from the name (so I use i, j, k, l, m, n as integers, s as string,
>> and w, x, y, and z I am a little looser with (but usually float or
>> complex).
> 
> It's amazing to me that Fortran continues to live on in the hearts and
> minds of today's programmers.

Well I think it's more that the original Fortran programmers were
applied mathematicians, who have always tended to use i through m as
integer variables, and that usage continues both in programming and
mathematics today.

regards
 Steve
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