Zentralblatt Math is the world’s most complete and longest running abstracting and reviewing services in pure and applied mathematics. This database contains about 2.9 million entries drawn from about 3500 journals, 140,000 books, 1100 serials from the years 1826 to present. ZbMath Open provides easy access to bibliographic data, reviews and abstracts from all areas of mathematics as well as applications in particular to natural science, computer science, economics, and engineering. Also, this database covers history and philosophy of mathematics and diversity education.