问题标题：
用英语哦,介绍一下算盘的来历和用途帮我用英语写篇介绍算盘的作文吧,,100个词够了,thangyou
问题描述：
用英语哦,介绍一下算盘的来历和用途
帮我用英语写篇介绍算盘的作文吧,,100个词够了,thangyou
李舜革回答：
Anabacus,alsocalledacountingframe,isacalculatingtoolusedprimarilybyAsiansforperformingarithmeticprocesses.Nowadays,abaciareoftenconstructedasawoodenframewithbeadsslidingonwires,butoriginallytheywerebeadsorstonesmovedingroovesinsandorontabletsofwood,stone,ormetal.TheabacuswasinusecenturiesbeforetheadoptionofthewrittenmodernnumeralsystemandisstillwidelyusedbymerchantsandclerksinChina,Japan,Africa,Indiaandelsewhere.
Theuserofanabacusiscalledanabacist;heorsheslidesthebeadsoftheabacusbyhand.
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