calculator (calculating machine) A device for performing arithmetical calculations or algebraic manipulations. The earliest example is the abacus. Hand-held electronic calculators now have more computational power than the early mainframe computers.
calculator
数学辞典收录了4151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。