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 ...

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 ...

This is what mathematicians call addition “modulo 360.” Likewise, we can do addition modulo any whole number N instead of 360. (Another familiar example is adding hours, where N = 12.) ...

The planning is just about complete and construction of the new Normandy Elementary modular addition will commence soon. Many of the questions we've heard about the project are now answered. Find ...