Mathematics Dictionary is the most systematic and complete large-scale academic mathematics reference book in the world today. It was compiled by 1500 experts and professors from more than 200 universities and scientific research units in Chinese mainland, Taiwan Province and Hongkong (including more than 30 academicians of Chinese Academy of Sciences and more than 400 doctoral supervisors), which lasted for 18 years. The book includes more than 100 branches or special topics, about13.6 million words, and is divided into 6 volumes, covering all the mathematical achievements at home and abroad for 5,000 years. Its scale is twice that of similar dictionaries in the former Soviet Union and four times that of similar dictionaries in Japan. The definition of entries in this book is scientific and accurate, the text description is concise and popular, and it is practical and easy to find. It is a necessary reference book for math teachers and scientists, and a rare encyclopedia for teaching students, graduate students, science and engineering students, middle school students and math enthusiasts.