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A pocket-size history of the calculator

Tim Harford explores the history of calculators, from clockwork to the Kashio brothers, with author Keith Houston

How was the calculator invented? How did it go from something the size of a table to something that could be carried in your pocket, the must-have gadget of the 1970鈥檚 and 80鈥檚?

Tim Harford unpicks the history of the calculator with Keith Houston, author of Empire of the Sum: The Rise and Reign of the Pocket Calculator.

Presenter: Tim Harford
Producer: Debbie Richford
Production Co-ordinator: Brenda Brown
Series Producer: Tom Colls
Sound Mix: Hal Haines
Editor: Richard Vadon

(Technology evolution: old metal mechanical calculator 1930s, vintage plastic calculator 1970s, modern digital smartphone calculator 2000s. Credit: Getty Images)

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9 minutes

Last on

Mon 5 Feb 2024 00:50GMT

Broadcasts

  • Sat 3 Feb 2024 05:50GMT
  • Sat 3 Feb 2024 11:50GMT
  • Sat 3 Feb 2024 16:50GMT
  • Sun 4 Feb 2024 09:50GMT
  • Sun 4 Feb 2024 11:50GMT
  • Sun 4 Feb 2024 22:50GMT
  • Mon 5 Feb 2024 00:50GMT

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