**便携式电子计算器的日常使用与维护** 一、日常使用 1. 开机与操作 便携式电子计算器是我们日常生活和工作中常用的电子设备之一。使用时，首先轻轻按下电源键开机。一旦开机，计算器屏幕上将显示初始界面。通过操作计算器上的按键，可以进行各种数学运算，如加、减、乘、除等。 2. 功能使用 大多数便携式电子计算器还具备更多高级功能，如百分比计算、平方、开方、记忆运算等。使用时请参照计算器说明书，熟悉各个按键的功能和操作方法。 3. 电池与电源 对于需要电池供电的便携式电子计算器，应注意电池的正确安装与更换。在电池电量不足时，应及时更换新电池，避免因电量不足影响计算器的正常使用。此外，一些新型的便携式电子计算器支持充电功能，使用时请确保其电源适配器正确连接并充电。 二、维护保养 1. 清洁保养 定期对计算器进行清洁保养，用干净柔软的布擦拭计算器表面，清除灰尘和污垢。注意避免使用化学清洁剂或刺激性强的清洁用品，以免对计算器造成损害。 2. 防潮防震 便携式电子计算器应存放在干燥、通风的地方，避免潮湿环境对计算器内部元件造成损害。同时，避免将计算器放置在易受震动或碰撞的地方，以免造成内部元件松动或损坏。

3. 避免过度使用

虽然便携式电子计算器具有较高的耐用性，但过度使用仍可能影响其使用寿命。因此，在使用过程中应注意轻拿轻放，避免强烈撞击或摔落。 **Portable Electronic Calculator's Daily Use and Maintenance** Daily Use: 1. Powering On and Operating Portable electronic calculators are one of the commonly used electronic devices in our daily life and work. To use it, gently press the power button to turn it on. Once powered on, the calculator will display the initial interface on the screen. Various mathematical operations such as addition, subtraction, multiplication, and division can be performed by operating the keys on the calculator. 2. Function Usage Most portable electronic calculators also have more advanced functions, such as percentage calculation, square, square root, memory operations, etc. Please refer to the calculator manual to familiarize yourself with the functions and operating methods of each key. 3. Battery and Power Supply For portable electronic calculators that require battery power, pay attention to the correct installation and replacement of batteries. When the battery is low, replace it with a new one in a timely manner to avoid affecting the normal use of the calculator due to insufficient power. Additionally, some new portable electronic calculators support charging functions. Please ensure that their power adapters are correctly connected and charged when in use. Maintenance: 1. Cleaning and Maintenance Regularly clean and maintain the calculator by wiping the surface with a clean and soft cloth to remove dust and dirt. Avoid using chemical cleaners or strongly stimulating cleaning supplies to prevent damage to the calculator. 2. Moisture and Shock Resistance

Portable electronic calculators should be stored in a dry and ventilated place to avoid damage to the internal components of the calculator caused by a humid environment. At the same time, avoid placing the calculator in areas that are prone to vibration or impact to prevent internal components from becoming loose or damaged.

3. Avoiding Excessive Use Although portable electronic calculators have high durability, excessive use may still affect their service life. Therefore, when using it, please handle it gently and avoid strong impacts or falls to prolong its service life.