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Why basic calculators still use liquid crystals

HERE’S THE INTERESTING PART

While modern televisions abandoned the absolute oldest iteration of flat screens decades ago, the basic math device stubbornly refuses to evolve. The bleak gray screen heavily populated with sharp black numbers relies on the absolute oldest, lowest-power version of twisting crystals. It remains heavily unchanged purely because it flawlessly functions for literally years on a tiny battery.

Why basic calculators still use liquid crystals
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