Page Layout ⇒ section with page number

[jaybz]

I think I need to just manually set the title and page number of each page because it's too complex. I just want this with no horiz. lines and alternating for left and right pages.

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        2.3 primes    pagenum

Some text text text text text
text text text text text text
...

It might continue sequentially for 10 pages then jump several sections:

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    4.1 factorials    pagenum

Some text text text text text
text text text text text text
...

[localghost]

[…] I just want this with no horiz. lines and alternating for left and right pages. […]

Does this mean that you have a two-sided document? Because in your example you provided code for a one-sided document. Would be good if you could clarify that once and for all. With fancyhdr for a two-sided document you could this (not tested).

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\fancyhf{}                                                % clear all headers and footer
\fancyhead[LE,RO]{\nouppercase{\leftmark}\qquad\thepage}  % subsection title and page number in header
\pagestyle{fancy}

[jaybz]

Ok this almost works. I notice that when going from page 1 to page 2 the "text body" is being shifted down a line for some reason.

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\documentclass[a4paper,11pt,Final]{article}
\usepackage[english]{babel}
\usepackage{fancyhdr}
\usepackage{lipsum}
\begin{document}
\thispagestyle{fancy}
\setcounter{page}{124}
\renewcommand{\headrulewidth}{0pt}
\rhead{\Large{2.3 POLYNOMIALS \hspace{7mm}}{\thepage}}
\cfoot{}
\rfoot{}
\lfoot{}
\lipsum[1]
\newpage
\fancyhf{} % clear all header and footer fields
\thispagestyle{fancy}
\setcounter{page}{189}
\renewcommand{\headrulewidth}{0pt}
\lhead{\Large{{\thepage}\hspace{7mm}}4.3 FACTORIALS}
\lipsum[1]
\end{document}

[localghost]

You should listen to the compiler and what it is telling you in the log file.

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Package Fancyhdr Warning: \headheight is too small (12.0pt): 
 Make it at least 18.0pt.
 We now make it that large for the rest of the document.
 This may cause the page layout to be inconsistent, however.

I think this is a clear message. And especially the last line.

Do you seriously want to determine the header for each section by hand? That is not the way to write with LaTeX and what I would call good practice. For this purpose usually the \leftmark command is inserted into the header.

[jaybz]

Yes it must be done by hand because it will change. The first 10 pages might be:

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124  2.3 POLYNOMIALS

And the next 8 pages:

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149  4.2 FACTORIALS

Then the next 11 pages:

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225  5.1 FUNCTION GRAPHING

And in each section it alternates between the odd and even pages.

[localghost]

Yes it must be done by hand because it will change. […]

But this can be done automatically as described earlier.

[jaybz]

I'm just going to do it manually. It's just too is too time consuming and complicated to figure out how to use hancyhdr. I just don't get it.