Mechanical Calculators

Some articles on mechanical calculator, mechanical calculators, calculator, calculators:

Mechanical Calculator
... A mechanical calculator, or calculating machine, was a device used to perform the basic operations of arithmetic ... Most mechanical calculators were comparable in size to small desktop computers and have been rendered obsolete by the advent of the electronic calculator ... The mechanical calculator was invented in 1642 by Blaise Pascal, it was called Pascal's Calculator or Pascaline ...
1900s To 1970s - Mechanical Calculators Reach Their Zenith
... Numerous designs, notably European calculators, had handcranks, and locks to ensure that the cranks were returned to exact positions once a turn was complete ... half of the 20th century saw the gradual development of the mechanical calculator mechanism ... In 1948 the miniature Curta calculator, which was held in one hand for operation, was introduced after being developed by Curt Herzstark in 1938 ...
... Facit AB, a manufacturer of mechanical calculators, was incorporated into the corporation the same year ... In 1932, the first ten-digit calculator was manufactured by Ă…tvidaberg Industries, it was named FACIT and became a great success ... Under the popular leadership of Gunnar Ericsson, Facit focused increasingly on its mechanical calculators, branding, marketing and global expansion ...
Sumlock ANITA Calculator - History of ANITA Calculators
... by tram and bus conductors) had been producing a very successful range of key-driven mechanical calculators of the Comptometer type under the names "Plus" and "Sumlock", since the 1930s ... to his dissertation, he was looking at the mechanical calculators in the Science Museum, London, United Kingdom, and had realised that the future of calculators lay in ... Unfortunately, the major mechanical calculator manufacturers were far away in the U.S.A ...

Famous quotes containing the words calculators and/or mechanical:

    But the age of chivalry is gone. That of sophisters, economists, and calculators has succeeded; and the glory of Europe is extinguished forever.
    Edmund Burke (1729–1797)

    The correct rate of speed in innovating changes in long-standing social customs has not yet been determined by even the most expert of the experts. Personally I am beginning to think there is more danger in lagging than in speeding up cultural change to keep pace with mechanical change.
    Mary Barnett Gilson (1877–?)