Deliciae physico

Deliciae Physico-Mathematicae is a book of mathematical puzzles and recreations published in 1636 by Johann Johannis Wyttenbach, a Swiss mathematician and astronomer. The book contains a collection of over 200 problems and puzzles in mathematics, physics, and other sciences, along with their solutions. Some of the topics covered in the book include arithmetic, geometry, mechanics, and astronomy. The book was very popular in its time and went through several editions, including an English translation published in 1659 under the title Mathematical Recreations. It is considered an important work in the history of mathematics and science, and has influenced many later books on the subject.