单词	substitution
释义	Substitution Putting values where the letters are. Example: What is x + x/2 when x=5? Answer: Put "5" where "x" is: 5 + 5/2 = 5 + 2.5 = 7.5
随便看	natural number nautical mile negative net net income net weight net worth nominal number nonagon nonary nonlinear equation normal normal distribution normal number not equal notation nought number number line number pattern number sense number theory numeral numerator numerical analysis

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。