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Dual Power Supply:This calculator features a dual power supply, allowing it to operate on solar energy or AAA alkaline batteries, providing flexibility and convenience. Financial and Office Use:Designed specifically for financial and office use, this calculator is perfect for handling complex calculations and financial tasks, enhancing productivity in the workplace. Gift Purpose:This calculator makes an ideal gift for various occasions such as business conferences, weddings, or academic events, conveying a message of appreciation and professionalism. Solar Energy Compatible:The solar energy compatibility of this calculator makes it eco-friendly and cost-effective, reducing electricity consumption and contributing to environmental sustainability. Scientific Calculator:As a scientific calculator, it is suitable for students and professionals in science and mathematics, offering precise calculations and efficient performance. Compact Design:Its compact design makes it easy to carry around, perfect for those who are always on the go.