Deli W39231B 12D GT Calculator 3 Years Warranty with Steps Check & Correct Function for Student Office School Basic Calculator  (10 Digit)

LONG-LASTING PERFORMANCE: Utilizes high-quality Integrated Chip for durable and reliable performance. ENHANCED VISIBILITY: Equipped with a 12-digit display for clear and easy reading. DUAL POWER SOURCE: Powered by dry battery and solar/light power for extended usage with long battery life. ERGONOMIC DESIGN: Features a rubber keyboard design for comfortable touch buttons, tested for durability with a lifespan of 500,000 button presses. WARRANTY ASSISTANCE: Backed by a 3-year warranty, suitable for professionals, students, and offices requiring occasional or regular calculations.