uWatch : World’s First DIY Scientific Calculator Watch

The uWatch is an open source RPN and Algebraic scientific calculator watch that you can build yourself. Jones writes: [via]

It only had an 18 key keypad, but I figured that was OK as my old CFX-400 only had 16 + 4 side keys. All the extra functions were performed with a MENU key and two rows of 4 soft function buttons that mapped to the 8 keys directly below the LCD.

uWatch : World’s First DIY Scientific Calculator Watch – [Link]

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