There is more detailed explanation of syntax, but here is a very short one.
to start editing, click “edit page” at the top right.
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FRAP note
after saving and going to the web page and if the page does not exist, then the link will be shown in red. Click that none-existing link will create a new page in this wiki. For example this. Make your test page under :playground and do some try outs. Use “Preview” to see how it will look as web page.
external
EMBL
<jsmath> \frac{\delta C}{\delta t} = div(DgradC) \quad (1) </jsmath>