1. When using the calculator for the first time, please make sure to press the on button. 2. Quality Student exam calculator Wholesale Price tells you that even if the calculator is operating normally, the battery still needs to be replaced at least every three years. An expired battery may leak, causing damage to or malfunction of the calculator. Never leave expired batteries in a calculator.

3. Quality Student exam calculator Wholesale Price tells you that the battery that comes with the calculator may lose a slight power loss during storage and shipping. It may require less than normal battery life and be replaced slightly earlier. 4. Insufficient power may damage the contents of the memory device or disappear forever. For important data, the screen records should always be kept.
5. Quality Student exam calculator Wholesale Price tells you to avoid storing or using calculators in areas that exceed temperature limits. Use at very low temperatures may cause display delays or complete damage to the display and shorten battery life. Also keep the calculator out of direct sunlight, near windows, near electric heaters, or anywhere it is exposed to high temperatures. High temperatures may discolor or deform the computer case and cause damage to internal circuits.
Through the above introduction and analysis of the quality Student exam calculator Wholesale Price introduces the precautions for using scientific calculators, hope it helps you.