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time in msec/half-rotation = 1/R rotations/minute × 60 seconds/1 minute × 1000 msec/1 second × 1 rotation/2 half-rotations = 30000 msec/R half-rotation

time in msec/half-rotation =

= 30000 msec/R half-rotation}}

minute/S rotations

Please do not edit this page without invitation

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I am using this page to develop text, tables, etc., for possible inclusion in articles. It is not my intent to invite a public debate here. If I wanted to do that I would have created a "sandbox" page under the article in question.

  • If you would like to pick up an idea here and play with it, everything on WP is free for copying, so by all means, copy it, put it in a sandbox of your own, and have at it.
  • If you would like to contribute directly to something here please coordinate with me on my talk page first.

If I create a "sandbox" for a specific project to which I intend and invite others to contribute, it will be on a page of its own, and so annotated.[a] Thank you for your understanding. Jeh (talk) 23:13, 11 April 2011 (UTC)

trial table for binary prefixes article

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This table compares, for several different recently popular sizes of hard drives, the notations used by the manufacturers for the advertised capacity vs. the capacity as displayed by various operating systems.

Source Manufacturers'
advertised
capacity
Advertised capacity
expressed in bytes
Microsoft Windows Actual capacity
per Windows display
Apple Mac OS X
10.6 ("Snow Leopard")
and later
A tiny, tiny minority of software, including some (but not all) utilities under some versions of Linux
Source is using SI prefixes 1 GB = 1000000000 bytes,
1 TB = 1000000000000 bytes
Customary
binary
prefixes
1 GB = 10243 = 1073741824 bytes,
1 TB = 10244 = 1099511627776 bytes
SI prefixes IEC
binary
prefixes
300 GB 300000000000 bytes 279 GB 279 × 10243 = 299573968896 bytes 300 GB 279 GiB
500 GB 500000000000 bytes 466 GB 466 × 10243 = 500363689984 bytes 500 GB 466 GiB
750 GB 750000000000 bytes 698 GB 698 × 10243 = 749471793152 bytes 750 GB 698 GiB
1 TB 1000000000000 bytes 931 GB 931 × 10243 = 999653638144 bytes 1 TB 931 GiB
1.5 TB 1500000000000 bytes 1.36 TB 1.36 × 10244 = 1495335813775 bytes 1.5 TB 1.36 TiB
2 TB 2000000000000 bytes 1.82 TB 1.82 × 10244 = 2001111162552 bytes 2 TB 1.82 TiB
3 TB 3000000000000 bytes 2.72 TB 2.72 × 10244 = 2990671627551 bytes 3 TB 2.72 TiB
Notes Actual capacity is usually slightly higher Differences between this and advertised capacity are due to rounding errors Earlier versions of Mac OS used customary binary prefixes

saved stuff

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{{subst:AN-notice|topic=Windows 8|noticeboard=Wikipedia:Administrators' noticeboard/Incidents|thread=IP sock using AWS?}} ~~~~

Notes

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  1. ^ latency = 1/R rotations/minute × 60 seconds/1 minute × 1000 msec/1 second × 1 rotation/2 half-rotations = 30000/R msec/half-rotation