LGR | Smallest Battery-Powered Calculator in 1970: Dictaphone 1680 @LGR | Uploaded 2 years ago | Updated 13 hours ago
Taking a look at the Sanyo ICC-82D, aka the Dictaphone 1680. The smallest portable electronic calculator with built-in display on the market in 1970! And one of the first hand-holdable battery powered calculators, period. It wasn't cheap either, costing $495 in – roughly $3500 with inflation!

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