Citizen MT-814 calculator, 1996.
3 7 c m
actual image size: 32cm x 29cm

Citizen MT-814 calculator, 1996.

© Science Museum / Science & Society Picture Library


One of the hundreds of pocket calculators in regular busines and personal use in the mid 1990s. When the Sinclair Executive, the first battery-operated pocket calculator first appeared in 1972, it cost £79.95. As technology advanced, calculators became cheaper to produce and prices fell rapidly. By the 1990s a simple calculator such as this cost a small fraction of the price of the early models.

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