How to write string (float) to file?

[Grant Edwards]

In article <MK9j7.54164$c8.24157345 at news1.denver1.co.home.com>, Rainer Deyke wrote:

>> result of that expression.  The OP was told he could use "%.2f" to format
>> his results.  That's the simplest way to do what he asked, and AFAICT it
>> produces correct results.
>>
>> You seem to be telling the OP that he's wrong, float(a)/b isn't
>> good enough, and he shouldn't be using floating point?
> 
> That is essentially what I was saying.  I read the OP's
> question as "How do I calculate a/b accurately to two decimal
> places?", and that's the question I answered.

I see -- I thought you were saying there was something
unreliable about the "%" operator.  If it's an accounting
application, then he probably needs to be using either
fixed-point or BCD-floating-point math.

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