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I think Omitting the multiplication sign is a big mistake

• To: mathgroup at smc.vnet.net
• Subject: [mg120212] I think Omitting the multiplication sign is a big mistake
• From: a boy <avvboy at gmail.com>
• Date: Wed, 13 Jul 2011 03:11:45 -0400 (EDT)

In philosophical sense, to omit the multiplication sign is incorrect.
Space-key or null is always describe the place of objects.
A little student may think a(b+c)=ab+ac ==> 2(3+4)=23+24 ?
In Mathematica, array[[n]]  puzzled almost all of new ones who never
used the software.