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NEWYES Scientific Calculators with Writing Tablet, Upgraded 991MS Solar Energy LCD Science Calculator Notepad with 349 Function, Professional Foldable Calculator for Students, School and College
![File:Vintage Bowmar Electronic Pocket Calculator, Model MX-50 (aka 90505), Red LED Display, Sealed Battery, Made In USA, Circa 1973 (14591513119).jpg - Wikimedia Commons File:Vintage Bowmar Electronic Pocket Calculator, Model MX-50 (aka 90505), Red LED Display, Sealed Battery, Made In USA, Circa 1973 (14591513119).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6d/Vintage_Bowmar_Electronic_Pocket_Calculator%2C_Model_MX-50_%28aka_90505%29%2C_Red_LED_Display%2C_Sealed_Battery%2C_Made_In_USA%2C_Circa_1973_%2814591513119%29.jpg)
File:Vintage Bowmar Electronic Pocket Calculator, Model MX-50 (aka 90505), Red LED Display, Sealed Battery, Made In USA, Circa 1973 (14591513119).jpg - Wikimedia Commons
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