A micro:bit binary adding machine #microbit @microbit_edu @blogmywiki
A tutorial to turn two or more micro:bits in to a binary adding machine, using the same code on every micro:bit.
The ability to add two numbers together is a fundamental building block of any calculating machine. If you can add, you can multiply as multiplication is repeated addition. If you can add, you can probably subtract, and that means you can do division as well, as division can be thought of as repeated subtraction.
But the ability to add numbers is ALSO fundamental to building computers. As well as solving maths problems, adding numbers enables computers to find data in memory, step through lists of instructions as well as more exciting things like moving a space ship across your screen in a game.
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