简易上手：计算器的基本操作与技巧 一、引言 计算器是我们日常生活和工作中经常使用的电子设备之一。无论是进行简单的数学运算，还是复杂的科学计算，计算器都能快速准确地给出结果。本文将向大家介绍计算器的基本操作与技巧，帮助大家更好地使用计算器。 二、计算器基本操作 1. 开机与关机

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开机：通常按下“ON”或“POWER”键即可开机。 关机：长按“OFF”或“POWER”键即可关机。 2. 数字输入 通过键盘输入数字，按下相应的运算符号（如加、减、乘、除等）进行计算。 3. 结果显示 计算结果会自动显示在计算器的显示屏上。 4. 清除与撤销 如果输入错误，可以按下“CE”或“C”键清除当前输入的数字或运算式。如果需要撤销上一步操作，可以按下“BACKSPACE”键。 三、计算器技巧 1. 科学计算器使用技巧 对于具有科学计算器功能的设备，可以用于进行复杂的科学计算，如三角函数、指数、对数等。使用时需注意不同键的组合和切换。 2. 快速输入技巧 熟练掌握数字和小数点的输入方法，可以提高输入速度。同时，利用计算器的记忆功能，可以快速调用之前计算过的数值。 3. 合理利用括号和优先级 在进行复杂的运算时，合理使用括号可以帮助我们更准确地得到结果。同时，了解运算符的优先级，可以避免因顺序错误导致的结果错误。 四、英文翻译 Simple and Easy to Use: Basic Operations and Skills of Calculators Section 1: Introduction

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Calculators are one of the electronic devices frequently used in our daily life and work. Whether it's for simple mathematical operations or complex scientific calculations, calculators can quickly and accurately provide results. This article will introduce the basic operations and skills of calculators to help everyone better use them. Section 2: Basic Calculator Operations 1. Power on and off: Press the "ON" or "POWER" button to power on the calculator. Long press the "OFF" or "POWER" button to power off the calculator. 2. Number input: Enter numbers through the keyboard and press the corresponding operator (such as addition, subtraction, multiplication, division, etc.) to perform calculations. 3. Result display: The calculation result will automatically be displayed on the calculator's screen. 4. Clearing and cancellation: If there is an input error, press the "CE" or "C" key to clear the currently entered number or operation formula. If you need to cancel the previous operation, press the "BACKSPACE" key. Section 3: Calculator Skills 1. Scientific calculator skills: For devices with scientific calculator functions, they can be used to perform complex scientific calculations such as trigonometric functions, exponents, logarithms, etc. It is necessary to pay attention to the combination and switching of different keys when using them. 2. Quick input skills: Mastering the input methods of numbers and decimal points can improve input speed. At the same time, using the memory function of the calculator can quickly call up previously calculated values. 3. Rational use of brackets and priority: When performing complex calculations, using brackets reasonably can help us get the result more accurately. At the same time, understanding the priority of operators can avoid errors in results due to incorrect order.