单词	cosh
释义	Cosh The Hyperbolic Cosine Function. cosh(x) = (ex + e−x) / 2 Don't confuse it with the cosine function cos(x):
随便看	diameter diamond dice die difference difference of squares difference quotient differential equation differentiation digit digital digital clock or watch digital root dilation dimension dimensions dipyramid directed number direction directrix discount discrete data discriminant disk displacement (distance)

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。