Say hello to Evi

Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

You asked:

facts about [z4 class]

  • Z4 (computer)
    Z4 (computer)
    The Z4 was the world's first commercial digital computer, designed by German engineer Konrad Zuse and built by his company Zuse Apparatebau between 1942 and 1945.