Basic Calculator – Practical, Reliable, and Easy to Use 12Digit Display: Large, clear numbers make reading results quick and effortless, ideal for everything from simple daily calculations to more detailed work. Comfortable Keys: Big, responsive buttons ensure smooth entry with minimal errors, for extended use in offices, schools, shops, or at home. Dual Power – Always Ready When You Need It Solar and Battery Powered: Runs on solar energy from sunlight or indoor lighting, with 1 AA battery included for reliable backup in lowlight conditions. Automatic ShutOff: Conserves energy by powering down after approximately 10 minutes of inactivity. Note: For battery operation, install the included AA battery in the designated compartment before use. Versatile Functionality – Meets All Your Basic Calculation Needs Performs addition, subtraction, multiplication, division, percentage calculations, memory recall, and grand total functions. Includes backspace and clear entry features to correct mistakes easily. Auto PowerOff feature helps extend battery life. Compact DeskFriendly Design Dimensions: 5.7 x 4.7 x 1.8 inches; Weight: 4 ounces. Made from durable PS material, designed to occupy minimal desk space while remaining large enough for comfortable, efficient use. Ideal Applications Office: Handle everyday accounting, budgeting, or report preparation with ease. School: A dependable tool for students learning basic arithmetic and practicing calculations. Retail or Market: for quick checks, transaction totals, and cost calculations during sales.