Retired IT consultant and retailer,
retired editor and publisher (Mille Tre Verlag).

For my e-books, please visit my website

My private blog:

The pages about my Windows command line tools and my command line calculator Hypatia can now be found at

Kontakt / Contact information


Telefon/phone: +43.1.2566560, +43.699.10000712

Adresse/postal address:

Robert Schaechter, Saikogasse 9/19/4, 1220 Wien, Austria