applied mathematics is an interesting kind of term because in a way, it's become a, i's come disjoint from its meaning. We apply, in various techniques, mathematics to a situationa real situation. Er, mathematics can make very lao day problems xactly day to day d It's whereo you take these ideas of yr in high school, where you're told all majrses are iportant because computers can do mathematics reaty quickly with em. But you don't do it with a computer, so who cares? Trade matrixs.