Almost none in business apps. There's some calc and geometry in graphics. Unless the business demands it, the software isn't going to need math. Yagni. If th

Almost none in business apps. There's some calc and geometry in graphics. Unless the business demands it, the software isn't going to need math. Yagni. If the business can run on a pocket calculator, every last pc will disappear in pursuit of the dollar. The same goes with math.