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Re: Mysterious Output in formatted Notebook

• To: mathgroup at smc.vnet.net
• Subject: [mg104718] Re: Mysterious Output in formatted Notebook
• From: David Bailey <dave at removedbailey.co.uk>
• Date: Sat, 7 Nov 2009 06:51:56 -0500 (EST)
• References: <hd0ss0$7lq$1@smc.vnet.net>

John wrote:
> Mathematica 6, xp windows
> 
> My notebook is mostly paragraphs of text interspersed with sections
> and subsections, tables, plots and displayed formulas. Students will
> view it in class and later on Mathematica Player. or reason Out
> [integer]=Null^i is printed between paragraphs and headings (section
> or subsection). The exponent i is  usually the number of preceding
> paragraphs.
> 
> What is it telling me? What causes it, and how can I get rid of it?
> 
> .
> 
> John
> 
The cells in a notebook each have a definite style. You can change the 
style of a cell by selecting the cell bracket and using the Format/Style 
menu item.

By default, cells take "Input" style, which means they are executable. 
If you put text in such a cell, it will 'execute' (or 'evaluate', 
depending on your point of view) when you execute the notebook - 
producing a spurious output. Text stored in "Input" cells, also looks 
pretty ugly.

You should only store Mathematica instructions that you wish to evaluate 
in "Input" cells.

I am 90% sure this is the problem you are describing.

David Bailey
http://www.dbaileyconsultancy.co.uk