The fraction may be simplified when the numerator and denominator have a common factor greater than one. Units are often referred to as ones. Eg, 4∙2 has 4 units and 2 tenths, or you could say 4∙2 has ...

The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

In order to graduate from high school, people usually spend about13 years (K-12) learning about math concepts. One of the things that math does is to give us a universal way to think about quantities.