Insert new types of regression
Update constraints
Add new options (X-Y names)
Reorganisation of the page
Update:
Convert all power value to <sup></sup>
Convert unicode character sigma to its HTML code Σ
as Σ is not recognized
Change-Id: If1fe158d8c19ac80fb03ef3c7491ada5b666ccd0
Reviewed-on: https://gerrit.libreoffice.org/28225
Reviewed-by: Olivier Hallot <ohallot@collabora.co.uk>
Tested-by: Olivier Hallot <ohallot@collabora.co.uk>