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

My free e-books website:

(Last major update January 1, 2021)

My photo albums:

(Last updated February 23, 2020)

My (mostly inactive) Twitter:

My Windows command line tools and my command line calculator Hypatia:

Kontakt / Contact information


Telefon/phone: +43.699.10000712

Adresse/postal address:

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