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Re: DifferenitalD vs CapitalDifferenitalD

• To: mathgroup at smc.vnet.net
• Subject: [mg87939] Re: DifferenitalD vs CapitalDifferenitalD
• From: Szabolcs Horvát <szhorvat at gmail.com>
• Date: Mon, 21 Apr 2008 03:22:39 -0400 (EDT)
• Organization: University of Bergen
• References: <fuees1$bds$1@smc.vnet.net>

fizzy wrote:
> After applying Jens correction, I was hoping to be able to use the 
> DifferentialD  with x, etc. and then use the 'dx' , where 'd' here is 
> DifferentialD (just dont know how to add it here in the email),  so it 
> would be a Symbol....but this didnt work....I realize I can use the 
> straight forward   dx , etc.  symbol but I want to highlight the 
> Differential....any way to 'fix' this?....when I type in  DifferentialD 
> , from the Palette, and then add x to it and perform  //Head on it , it 
> just returns DifferentialD
> 
> thank you....jerry blimbaum
> 

\[DifferentialD]x cannot be used as a symbol because \[DifferentialD] is 
treated as an operator.  A symbol name must start with a letter.

But why do you want to use \[DifferentialD]x as a symbol anyway?  I 
cannot imagine any reasonable application for this.  If you explained 
your motivation for wanting to have a symbol with this name, perhaps we 
could say something more useful ...