Known differential calculus course. The author's books on integral calculus and differential equations are well known and popular. From the recesis of G. Philips' books on differential and integral calculus in the journal "Successes of the Physical Sciences" May 1927 "A distinctive feature of Philips' book is the brevity of presentation. This brevity, however, is not created at the expense of clarity or accuracy. Especially successful is the choice of examples and problems, the solution of which is devoted to more than a quarter of the book. The book significantly benefited from the placement of additional chapters written by V. F. Kagan. "An excellent textbook for initial study.