ℤ The set of integers. The symbol is also used to denote the set of integers as a group or as a ring. The use of the letter ‘z' relates to the German word ‘Zahlen' for ‘numbers'.
ℤ
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。