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At 15:43 26/05/2012 +0200, Miguel Angel wrote:
El 26/05/12 12:41, Brian Barker escribió:
At 17:14 25/05/2012 +0200, Miguel Angel wrote:
Maybe the mistake is in search for 0.000, it can't be found, because a 0.000 is always saved as 0, nonsignificant zeroes to the right/left of decimal point are never saved.

Computers store numbers in a fixed-length format - however-many bytes. So there are always the same number of binary digits stored - which equates to a different but similarly (approximately) fixed number of decimal digits stored (unless you choose multiple precision, of course). So surely what you may think of as nonsignificant zeroes are not "never" but *always* stored?

I think not a fixed format, but a fixed length with eight bytes used to store the number in memory, as result fourteen significant numbers.

There has to be a format in which the numbers are stored, of course (however many bytes are used): fourteen significant decimal digits maps to about 47 binary digits - just under six bytes. The rest of the space is used for an exponent and for signs for both the exponent and the number itself. There are many possible formats, but there has to be a fixed one in each computer or system.

In content.xml file one of the files in .ods file, we can see the saved values in office:value tag and the representation of the value in text:p tag.

Thanks for this. I confess I was thinking (as you were above) of storage in the sense of representation in the program itself - during processing. You are right, of course, that storage in document files is in decimal, not binary, and apparently omits insignificant trailing zeroes.

Brian Barker

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