I think I understand now.  The calculation is surely not linear in 0.24.  
What appears in the solution is 1/(1/0.24) which is not exactly 0.24.

thanks

On Wednesday, January 9, 2013 11:11:01 AM UTC, Volker Braun wrote:
>
> For starters, 0.24 can't be represented exactly. An oldie but goodie on 
> the subject:
>
> http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
>
> On Wednesday, January 9, 2013 10:40:21 AM UTC, Daniel Friedan wrote:
>>
>> Should solve_right() be introducing a numerical error here?  The only 
>> numbers involved are 0, 1, and 0.24 and the calculation is linear in 0.24.
>
>

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