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All by itself, a calculator based on an Arduino isn’t necessarily very novel. However, [Danko Bertović] of Volos Projects has a nice board that, of course, looks like a calculator. There are … ...
For instance, to calculate the product of 3 and 4, you would type: 3, enter, 4, enter, multiplication. Watch this video on YouTube . – A RPN (Reverse Polish Notation) calculator of billet walnut ...