Pearson has launched a free iOS math app offering more than 1,500 tutorials aligned to the Common Core and other standards. Dubbed Virtual Nerd Mobile Math and designed for students in grades 6-12, ...

In this math tutorial I will show you how to multiply complex numbers. Complex numbers come in the form of a +bi. Multiplying ...

THIS useful volume is an excellent specimen of the work published by the University Tutorial Press. The treatment of the elementary rules calls for no special remark. The plan of explaining the nature ...