This portable calculator is perfectly sized at 5.5\" x 3.4\" and features an automatic sleep mode for extended battery life. Lightweight and easy to carry in pockets or bags. Features a large, easy-to-read LCD screen with 12-digit display and a comfortable 15-degree viewing angle. Includes a durable ABS plastic construction in a variety of stylish colors. Comes with an included LR44 battery. Ideal for home, school, office, or shop use, this calculator performs basic math functions and offers a range of financial calculations. Perfect for adults and students alike. The durable silicone buttons provide a great tactile feel and comfortable operation. Features include automatic power-off, independent memory (M+, M-), grand total (GT), and a delete key. The anti-slip design ensures stability during use. This large calculator is designed to sit flat on a desk or countertop for easy use, yet it's compact enough to take on the go.