SI units are the language of science. This clear and concise chart lists the names and symbols of the seven SI base measurement units and other important units derived from these fundamental seven. A listing of the names, symbols and numerical values of the SI prefixes is also included. Chart size is 48" x 32". Printed on sturdy 80# stock with a reduced-glare laminate covering. Four eyelets at the top prevent tearing and allow for easy hanging and removal during test time. Also available in 8½" x 11" notebook size, pad of 30 (Catalog No. AP7225).