I'm sure FPGA logic designers have often heard it said: “We just need to take this number mod 3.” Or maybe something like, “Just round to the nearest hundred.” This latter case really means: “Take the ...

You may never have heard of modular arithmetic, but you use it every day without the slightest difficulty. In this system, numbers wrap around when they reach a certain size called the modulus; it is ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American My first musical love was Beethoven. The 2nd ...