V2EX log table

Log Table

释义 Definition

对数表:把一系列数的对数值预先计算并整理成表格,供人快速查找与近似计算(在计算器普及前常用于乘除、乘方、开方等运算)。

发音 Pronunciation (IPA)

/l tebl/(英); /l tebl/(美)

例句 Examples

I used a log table to solve the problem.
我用对数表来解这道题。

Before electronic calculators, engineers relied on log tables to speed up complex calculations and reduce errors.
在电子计算器出现之前,工程师常常依靠对数表来加快复杂计算并减少错误。

词源 Etymology

loglogarithm(对数) 的简称;logarithm 一词由 17 世纪约翰纳皮尔(John Napier)创造,来自希腊语词根 logos(比例、关系)与 arithmos(数字)。table 来自拉丁语 tabula(板、表格)。合起来 log table 就是“对数的表格”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Mirifici Logarithmorum Canonis Descriptio(John Napier,1614)对数与对数表的奠基性著作
  • Arithmetica Logarithmica(Henry Briggs,1624)著名的常用对数表汇编与推广
  • A Treatise on the Theory of Numbers(G. H. Hardy & E. M. Wright,1938)在数学史与方法讨论中提及对数与查表计算传统
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