FoxTrot Sudoku

[grapeofdeath]

For all the math and sudoku lovers on my list, I bring you todays FoxTrot comic:

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| _ 7 3 | _ 9 _ | _ 4 _ |
| 9 _ _ | 4 _ 3 | _ _ 7 |
| _ _ _ | 6 _ _ | _ _ 8 |
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| _ 4 _ | _ _ _ | 3 6 _ |
| 7 _ _ | _ _ _ | _ _ 1 |
| _ 2 9 | _ _ _ | _ 5 _ |
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| 5 _ _ | _ _ 1 | _ _ _ |
| 6 _ _ | 7 _ 8 | _ _ 3 |
| _ 3 _ | _ 4 _ | 1 7 _ |
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Comments

[terwashere.livejournal.com]

That would do it.

[thegrapeofdeath.livejournal.com]

Yes, it threw me off at first, not being 8 digits long...

[star2589.livejournal.com]

why should binary be 8 digits long?

[thegrapeofdeath.livejournal.com]

That would be the way it's usually input into computers. Having it eight digits long gives exactly 256 numbers, all having to do with powers of two. Binary itself doesn't have to be that way, but I learned it through computers.