February 16, 1997 – May 5, 1997
The CD-ROM is established as a medium. On behalf of [Chocolate Management und Verlag GmbH](http://www.chocolate.at) Virg
The CD-ROM is established as a medium. On behalf of Chocolate Management und Verlag GmbH Virgil Widrich develops the didactic concepts and the interactive characters and writes the screenplay and dialogues for a four-part mathematics series.
Related project
Maths Trainer – CD-ROM · 1997
The “Maths Trainer” on CD-ROM.