The Casio SL-100L Foldable Calculator features a large, easy-to-read display and a foldable design, making it perfect for both home and on-the-go use. It includes essential functions such as percent, square root, and sign change, along with independent memory and an auto power-off feature to conserve battery life. This calculator is powered by both battery and solar energy, ensuring reliability in various lighting conditions. With dimensions of 0.4" in height, 3.9" in width, and 2" in length, it is lightweight and easy to carry, making it an ideal choice for students, professionals, and anyone in need of a reliable calculating tool.