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Re: default display of reals & last command behavior in terminal

• To: mathgroup at smc.vnet.net
• Subject: [mg77679] Re: default display of reals & last command behavior in terminal
• From: Szabolcs <szhorvat at gmail.com>
• Date: Fri, 15 Jun 2007 04:21:56 -0400 (EDT)
• Organization: University of Bergen
• References: <f4r541$bck$1@smc.vnet.net>

Juneappal wrote:
> 2 Questions:
> 
> 1.
> I know I can use
> $Post = (# /. x_ /; x =E2=89=A4 0.01 \[Or] x > 1000 :> EngineeringForm[x,5])
> &;
> To make Mathematica display Reals in Engineer's notation.  Is there any
> way to make this the default behavior so I don't have cut and paste
> every time I start up a kernel?

Put the command in init.m

http://reference.wolfram.com/mathematica/ref/file/init.m.html

Do not use $Post, use $PrePrint instead. $Post affects the result of the 
calcuation (which is stored in Out[n]), while $PrePrint only affects the 
printed expression.

> 2.
> When I use Mathematica via the terminal in MacOSX, I find myself wanting
> to be able to use the up arrow to get the last command back on the
> screen (as in Bash and other programs).  Instead I get nonsense control
> characters.  Is there a particular terminal emulation I need to FORCE?
> 
> Thanks,
> 
> Adam
> 
>