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![This calculator is so old that they were still experimenting with how the digits should be displayed.. And yes, that is actually how the zero looks. : r/interestingasfuck This calculator is so old that they were still experimenting with how the digits should be displayed.. And yes, that is actually how the zero looks. : r/interestingasfuck](http://i.imgur.com/yM8RmhV.jpg)
This calculator is so old that they were still experimenting with how the digits should be displayed.. And yes, that is actually how the zero looks. : r/interestingasfuck
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![If you type 50 into a 7 segment display calculator, it kinda looks like the word 'so' : r/notinteresting If you type 50 into a 7 segment display calculator, it kinda looks like the word 'so' : r/notinteresting](https://i.redd.it/eio03l1ywan71.jpg)
If you type 50 into a 7 segment display calculator, it kinda looks like the word 'so' : r/notinteresting
Ken Shirriff on Twitter: "In 1969, Sharp introduced the first commercial handheld calculator. At the time, calculator circuitry couldn't fit on one chip, so it used five MOS chips. I reverse-engineered one
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