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Re^3: Hash of arrays

by NetWallah (Abbot)
on Dec 28, 2012 at 18:54 UTC ( #1010731=note: print w/replies, xml ) Need Help??

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    use strict;
    use warnings;
    
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    Use of uninitialized value in list assignment at ..
    

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[Corion]: Maybe the solution would be a tablet (with pens), like the Wacom tablets, but you still need good software and need to know how to operate it well in an interactive setting ;)
[ambrus]: Corion: the solution depends on who for. Some non-math presentations need to show lots of graphics or photos, with fine details and color. For those, blackboard or overhead transparencies aren't so good (yes, you can print on transparencies, but there's s
[ambrus]: ome quality limits), but film projection or computer projector is fine.

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