• "Curious History Pocket Calculator"

    The document discusses the history and features of the Curta calculator, an innovative mechanical pocket calculator invented by Curt Herzstark during his time in a concentration camp.

    by Cliff Stoll

    computarium.lcd.lu

    Alex Dobrenko added 5mo ago

  • An Interview with Curt Herzstark

    Curt Herzstark discusses the history of the Austrian Calculating Machine Manufacturing Company, his father's inventions and the development of the CURTA hand-held calculator.

    by Curt Herzstark

    conservancy.umn.edu

    17 highlights

    Alex Dobrenko added 6mo ago

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