Historical Computer Engineering - calculator
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calculator

  • v. Chr.
  • 1935
  • 1936
  • 1950
  • 1955
  • 1965
  • 1973
  • 1975
  • 1976
  • 1983
  • 1984

Electronical calculator

First electronical desktop calculator (1961)

The name of the first electronic desktop computer was Anita Mark-VIII and the prize was about 4500 DM (2250 €).

The journal 'Electronic' wrote: 'An electronic computer, with the size of a typewriter is now offered by a London company. It is used to add, subtract, multiply and divide. To verify the results,an automatic control device is installed. The answers are in a very short time avaivable and are displayed with illuminated numbers.'. He was about as 10 times fast as a mechanical calculator.