Stefan OK fine, thanks for clearing that up. Derek

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G'day, What standard is that?? a factor of 1000 has always been lower case.When did it change in the computer world? I must have a look at it and get up to date. Also when did bytes become a capital B?? regards, Elric

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Correct definitions of prefixes, notations etc. can be found here: http://physics.nist.gov/cuu/Units/binary.html The key to this is that Kilo always means 1000 to avoid problems with the existing definition and since 1998 the new term Kibi is introduced if you mean 1024 (=2^10). Also if you read the site well you can see that the term b is not even defined. If you mean byte you have to use B (capital letter). If you mean bit its just bit (written out). Although some people consider b to be a bit I would not recommend it, because people still can think you mean byte. If you want to avoid the bit or byte problem another solution is just to write it out (its not so much effort ;-). So according to theSysteme Internationale: 1024 byte/s = 1KiB/s and: 1000 bit/s = 1Kbit/s and: 1 KB/s = 1000 byte/s = 8000 bit/s This combination is used a lot even if 1 KiB/s was meant, which makes it the origin of a lot of confusion. also: 1 Kibit/s = 1024 bit/s I think the last combination is never used by anyone. Until I found out of these new terms I had my own defition that kilo combined with byte means 1024 and combined with bit its just the old 1000. However, the definitions made in the Systeme Internationale are even more precise. Unfortunately the terms Ki, Gi, Ti are not much used until now, but I will start to use these definations from now on and I hope others will too.....

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