digit calculator is perfect for completing basic numerical calculations, making it Perfect for office, primary school, market, or even home use. It features big, sensitive keys that are easy to press down and offer quick data entry. calculator is portable and small in size at 7.3x15.8x2.8cm, so it doesn't take up much desk space but is still comfortably sized for easy usage. calculator is the perfect tool for quickly dealing with everyday calculation problems in settings such as schools, offices, or even ! It offers a fast, efficient, and user-friendly experience that makes it an Perfect choice for anyone looking for a reliable calculator. This calculator uses solar charging function, allowing you to use this calculator more freely Environmentally friendly and energy-saving, this product uses solar power to generate electricity, which reduces battery pollution to a certain extent. Product parameter display : LCD display display: solar energy No. 7 alkaline battery (excluding) maximum display digits: 10 digits of the number of keys: 20 Colour:Purple Material:ABS Size: 7.3x15.8x2.8cm Package Contents: 1 x calculator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.