Chickenpox (Chicken Pox) , also known as Varicella, is a very contagious infection caused by the varicella zoster virus. In several parts of the world it is just known as varicella. Patients develop a blister-like rash, which first appears on the face and trunk, and then spreads throughout the body.
Modular arithmetic. Time-keeping on a clock gives an example of modular arithmetic. Modular arithmetic, sometimes also called clock arithmetic, is a way of doing arithmetic with integers. Much like hours on a clock, which repeat every twelve hours, once the numbers reach a certain value, called the modulus, they go back to zero. People talked about modular arithmetic in many ancient cultures.
1 In mathematics, the term can be used in several different ways. 2  A module over a ring is a generalization of the notion of vector space over a field. 3  Modular lattices are partially ordered sets which generalize the order structure of submodules.he meaning of the word, however, can vary somewhat by context: 1  In biology, modularity is the concept that organisms or metabolic pathways are composed of modules. 2  In construction, modules are a bundle of redundant project components that are produced en masse prior to installation.