【Product Details】 Number of Functions/Features: 394 Number of Digits: 10 digits LCD Display: Natural Textbook Display / Input as Written / Full-dot LCD Keys: Plastic keys / Quick calculation function (2-key rollover) Memory: Variable memory 9 (A, B, C, D, E, F, X, Y, M) / Independent memory / Answer memory / Previous answer memory / Memory hold function / Reset function Power Supply: T・W・P (Solar + Battery) Battery: LR44 × 1 (Lifespan: Approximately 3 years / When used for 1 hour per day) Auto power-off function Size: 161.5 × 77 × 11.1 mm Weight: 95 g Accessories: Hard case included 【Product Condition】 Operation confirmed The LCD display is working fine, and key operations are smooth.