藤蔓 定义
Vinculum is a horizontal line placed above multiple quantities to indicate that they form a unit. Oftentimes, it is the horizontal line drawn as part of a fraction or radical, such as a + b⁄a - b or √ a + b .
用法
它最常用来表示:
一个激进的 √ 123456
重复小数 (0. 111 )
线段 AB 连接两点A和B
复共轭 z1 + z2
逻辑表达式的否定， A ^ B = ! (A ^ B).
相关定义
来源
“Vinculum.” From Wolfram MathWorld, mathworld.wolfram.com/Vinculum.html.
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