Argand, Jean Robert (1768–1822) Swiss-born mathematician who was one of several people—the first was Caspar Wessel—who invented a planar representation for complex numbers. This explains the name Argand diagram.
Argand, Jean Robert
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。