EEVblog #1159 – World’s Most Precise Pocket Calculator

One item mailbag!
A look at the Swissmicro DM42, the world’s most precise pocket calculator.
A clone and improvement of the famous HP42S, with open source firmware based on the Free42 platform.

https://www.swissmicros.com/dm42.php
http://thomasokken.com/free42/

Forum HERE

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