单词	Catalan numbers
释义	Catalan numbers Numbers of the form for n ≥ 0. The first few Catalan numbers are 1, 2, 5, 14, 42…. These numbers arise in various combinatorial ways.
随便看	oct‐ odd function odd integer odd part odd permutation odds odds ratio ODE off diagonal omega one one-way function one‐sided surface one‐sided test one‐tailed test one‐to‐many one‐to‐one one‐to‐one correspondence only if onto open ball open cover open disc open interval open mapping

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。