Remember Marta, we (USA) have used the 10-based system where it is important. 
(money and alcohol).

Anne



On Apr 24, 2011, at 9:02 AM, Marta Edie wrote:

> Happy Easter everybody- here it rains and thunders still!! 
> 
> While I don't understand, Bill , what it i all about, I like the 10 based 
> usage. At least it sounds more 21st century. I appreciate all the zeros.
> 
> Now hopefully we will get rid of our foot and inch system , too, sometime. I 
> have lived in this country since 1950 and still have trouble, I always change 
> into the 10 system in my mind when I measure rugs and curtains and the like. 
> Where I read feet I always divide by three which at least gives me a general 
> feeling of meters, then I know where I am in my mind.
> Marta
> 
> 
> 
> 
> 
> 
> On Apr 24, 2011, at 8:47 AM, Bill Rising wrote:
> 
>> On Apr 23, 2011, at 23:59 , Harry Jacobson-Beyer wrote:
>> 
>>> Before I updated to snow leopard I had 58gb of free space on my hard
>>> drive. After the update I have 70 gb of free space. Where did I get the
>>> extra space?
>> 
>> I think that Snow Leopard installed only some of the printer drivers, and 
>> was generally a smaller OS than Leopard. Also: Snow Leopard uses 10-based 
>> kilo/mega/giga whereas all earlier OSes use 2-based. This means:
>> 
>> Old OSes
>> 1 KB = 2^10 bytes =         1,024 bytes
>> 1 MB = 2^20 bytes =     1,048,576 bytes
>> 1 GB = 2^30 bytes = 1,073,741,824 bytes
>> 
>> Snow Leopard and Disk Manufacturers:
>> 1 KB = 10^3 =         1,000 bytes
>> 1 MB = 10^6 =     1,000,000 bytes
>> 1 GB = 10^9 = 1,000,000,000 bytes
>> 
>> So... even without the smaller OS, your old 58GB would have become a little 
>> over 62GB just because of the new accounting.
>> 
>> Bill
>> _______________________________________________
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> 
> 
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