The word trillion denotes different numbers in American and British usage. In the American system, one trillionequals 1012. In the British, French, and German systems, one trillion equals 1018.See also Billion, Large Number, Million
数学辞典收录了8975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。