单词	infinitesimal
释义	Infinitesimal A value so small we can't measure it. But not zero. Useful when we can't use zero (example: we can't divide by zero) so we can instead use an infinitesimal value.
随便看	half halve handspan harmonic mean hect- hectagon hectare (ha) heft height helix hemisphere hendecagon hepta- heptagon hexa- hexadecimal hexadecimal number hexagon hexahedron highest common factor hindu-arabic number system histogram horizontal horizontal flip hour

数学辞典收录了1200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。