单词	pi
释义	Pi The ratio of a circle's circumference to its diameter In other words: all the way around a circle divided by all the way across it. The symbol is π No matter how large or small the circle, its circumference is always π times its diameter. π = 3.14159265358979323846... (the digits go on forever without repeating) A rough approximation is 22/7 (=3.1428571...), but that is not accurate.
随便看	exterior angle exterior angle theorem extraneous root extrapolation extrema face factor factor theorem factor tree factorial factoring factorising fahrenheit fall femto- fibonacci sequence figurate number finance charge financial goals financial literacy financial plan finite finite number first flat

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。