Thoughtful Design: Our basic calculator features an inclined viewing angle and an upright display that reduces glare, providing an optimal user experience. Large, responsive buttons allow for smoother and faster operation. The calculator will automatically turn off after several minutes of inactivity.Dual Power: Equipped with both solar and battery power, the dual power electronic calculator can function seamlessly in lighted environments. It is recommended to install a battery for use in low-light conditions, making it an excellent choice for various settings. (Batteries not included).Abundant Quantity: You will receive 8 packs of handheld desktop calculators, each measuring 5.9" x 4.7" x 1.6". The ample quantity will perfectly meet your computational needs, whether for personal use or to share with family and friends.Versatile Use: With a 12-digit large display, this aesthetically pleasing office tool is easy on the eyes. It is perfect for common math and financial functions, making it an ideal choice for school, office, business, and home use. Suitable for businessmen, workers, teachers, students, stores, accountants, bank tellers, and other people who often need to calculate.High-Quality Material: standard functional desk calculator is primarily made of high-quality plastic, ensuring durability and sturdiness. Two small non-slip mats on the bottom prevent it from sliding around, ensuring it serves you well over time.