School calculator

School calculator

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时间2024-07-24 16:25
版本8.3.4.0
要求
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应用介绍

School calculator应用简介

Calculator for Free combines the Normal and Scientific calculator for Free! An electronic calculator is a small, portable electronic device used to perform both basic and complex operations of arithmetic. In 2014, basic calculators can be very inexpensive. Scientific calculators tend to be higher-priced.The first solid state electronic calculator was created in the 1960s, building on the extensive history of tools such as the abacus, developed around 2000 BC, and the mechanical calculator, developed in the 17th century. It was developed in parallel with the analog computers of the day.Pocket sized devices became available in the 1970s, especially after the invention of the microprocessor developed by Intel for the Japanese calculator company Busicom.Modern electronic calculators vary from cheap, give-away, credit-card-sized models to sturdy desktop models with built-in printers. They became popular in the mid-1970s as integrated circuits made their size and cost small. By the end of that decade, calculator prices had reduced to a point where a basic calculator was affordable to most and they became common in schools.更多
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School calculator2025更新内容

修复了一些BUG。