Sundial Sun Dial Sundials Sun Dials Design Book Books articlesspreadsheets Gnomics Gnomonics Horology Dialling
Dialing Clocks EOT Equation of time Middleton Sciathics Lunar Moon construction hobby gnomon cutout popup
building astro compass astrocompass shepherd ogee azimuth altitude hour angle
Open Office is now somewhat passe.

Many options exist for free Office work:-

Libre Office
Free Office

and so on. I no longer use Open Office because other options exist, and I have had
issues with some Open Office downloads.