One of my fellow contributors here recently wrote a post about leap years and why we have them. This reminded me of modular arithmetic and the formula for calculating the day of the week for any date ...

Carroll’s commissioners have decided to build a modular addition to the county’s crowded jail. Sheriff John H. Brown announced the decision last night, and criticized it. “It’s a Band-Aid. How long it ...

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 ...

Basic Operations Used RC6 operates on units of four w-bit words using these six basic operations a+b integer addition modulo 2w a -b integer subtraction modulo 2w a ?b bitwise exclusive-or of w-bit ...