This is ignored.


.page=home Getting started

Click on any formula (such as $x^2 + y^2 = 1$) to copy it to the
formula editor.  Change it there to get instant preview.

Use [tex] notation for mathematics. Click paste above to copy
formula into main window.

In the document editor, delimit mathematics with single (inline) or
double (display) dollar symbols. It also gives instant preview.


.page=tex About TeX

Use ^ for superscripts, like $x^2$.

Use _ for subscripts, like $a_1$

Use { and } for grouping, as in $x^{a+b}$

You might want to look at [tips] now.

.page=\frac Fractions

Write a/b for inline fractions, as in $a/b$.

Write \frac{1}{2} for built-up fractions, as in $\frac{a}{b}$.

.page=greek Greek letters.

To get $\pi$ and $\Pi$ use \pi and \Pi.

To use the greek letters, you need to know their names.

.page=tips Useful tips

To get instant preview as you type, closing the math delimiters before
entering the formula.

You can use copy-and-paste to transfer the preview into HTML email.

.page=about About this software

This is a preliminary version of an online mathematics editor. and its
associated help system.

We'd like to put a lot more content into the help system.

We'd like to show you the TeX error messages (as we do on the MathTran
home page).

We'd like to link the TeX errors to the help system.

This software has been developed with support from JISC and The Open
University.


.page=faq Frequently Asked Questions

Nothing here yet.


.page=eqns Misc equations

$$
{\rm grad} f = 
    \frac{\partial f}{\partial r} {\bf e}_r
    + \frac{1}{r}\frac{\partial f}{\partial \phi}
        {\bf e}_\phi
    + \frac{\partial f}{\partial z}{\bf e}_z
$$

$$
\nabla^2f = \frac{1}{r}\frac{\partial}{\partial r}
    \left(r \frac{\partial f}{\partial r} \right)
    + \frac{1}{r^2}
        \frac{\partial^2 f}{\partial \phi^2}
    + \frac{\partial^2f}{\partial z^2}
$$

$$
{\rm div}{\bf F} =
    \frac{1}{r^2}\frac{\partial}{\partial r}
        (r^2 F_r)
    + \frac{1}{r\sin\theta}
        \frac{\partial}{\partial\theta}
        (\sin \theta F_\theta)
    + \frac{1}{r\sin\theta}
        \frac{\partial F_\theta}{\partial\phi}
$$

.page=doc_edit Document Editor

Help for the document editor will go here.

.page=doc_tabs Document Pages

The basic idea of document pages is that a large document is divided
into smaller pieces, about a screenful at a time, for editing.  

This allows you to page-up and down the document, rather than
scrolling through it.

(Not yet implemented.)


.page=form_edit Formula Editor

Click 'paste' to copy the current formula (aobve) into the main editor
window.

We're thinking of allowing you to 'transfer' a formula from the main
editor to the formula editor for editing.  The 'paste' button would
then send it back again.

In other words, click on the formula in the preview window, edit it in
the formula window, and click 'paste' when you're done.

The formula editor should have 'inline' and 'display' buttons.