Lvov, 1923, H. Altenberg's circulation bookstore. 13x18 cm, pp. (1), 174, black and white illustrations in the text, publisher's soft cover. Good condition (refilled paper fragment on the spine of the cover, minor soiling of the cover).
First edition. As the author writes in the preface, this is a book for intelligent laymen. Contents include definition of mathematics, development of mathematics, practical application, mathematical method, differential and integral calculus, calculus mathematics. The cover design was done by Anna Harland-Zajączkowska.