Simplify the following text for a Grade 8 native English-speaking person.
Original: However , mathematicians like PoincarÃ and Arnold deny the existence of `` applied mathematics '' and claim that there are only `` applications of mathematics '' ; similarly , nonmathematicians blend applied mathematics and applications of mathematics . The use and development of mathematics to solve industrial problems is also called industrial mathematics .
Simplified: Applied mathematics is a field of mathematics which uses mathematics to solve problems of other branches of science .