reckoner

汉语翻译

n. 计算者, 清算人, 计算手册

英语解释

名词 reckoner:

an expert at calculation (or at operating calculating machines)同义词：calculator, figurer, estimator, computera handbook of tables used to facilitate computation同义词：ready reckoner

详细解释

reck.on.er

n.（名词）
A handbook of mathematical tables used to facilitate computation.
计算表：用于帮助方便计算的手册或算术表格