My DM42 Arrived, I'm so glad I got the 42 and not the 41! : r/calculators
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Sven Petersen 🙈🙉🙊 (เด็กอ้วน) on Twitter: "25 days after I have ordered it, my #SwissMicros #DM42 arrived. It is the most precise calculator and it is a remake of the HP-42. i
HP 30b - Wikiwand
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Free42 : An HP-42S Calculator Simulator
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