The Pure Sciences program is a school program that studies Physics, Chemistry, Maths, Astrophysics, Electricity and much more. This glossary will help any students who want to be in this program, it explains some main words in a link with it. That glossary will guide you and help you to have a very good base in Pure Sciences, then you will be in this program and you will understand faster. gravity One of the most important phenomena of the Natural Sciences, it is the force that attracts something or someone toward the center of the earth. algorithm A process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer. matrix In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. vector A vector of dimension n is an ordered collection of n elements, which are called components. electrical resistance Resistance is an electrical quantity that measures how the device ...