2.Sensitive buttons: Respond quickly during operation, improving calculation efficiency. For instance, when inputting numbers or operation symbols quickly and continuously, it can react accurately and promptly.5.Functionalities: Add, subtract, multiply, divide, backspace, CE, %, M+/M-/MRC, On/AC Button, and Auto Power-Off. The calculator will turn itself off after about 6 minutes of being idle.4.Dual solar power and battery: Ensure normal use under different lighting conditions, increasing the convenience and reliability of use. For example, it relies on battery power when the indoor light is dim and solar power when the outdoor sunlight is sufficient.1.Large LCD display with 12 digits: This means it can display more accurate and long strings of numbers, facilitating the handling of complex calculations.For example, when conducting financial calculations involving large amounts or multiple decimal places, it can be displayed clearly and accurately.3.Designed for many occasions: business, office, home, basic budgeting, school, and more. Use it to assist your personal finance or just a quick calculation session.