ERGONOMIC DESIGN: The large electronic calculator with 12 raised digits have been designed to perform calculations easily. Suitable for students of all age and offices30° EYE-ANGLED: The inclination of the display makes it easier to visualise performed calculations compared to horizontal displaysDUAL POWERED: Battery and solar. The competitive advantage of uninterruptible power at home and during office hoursLARGE KEYS: The large keys make typing comfortable with high sensitivity for a smooth performanceQUALITY ASSURED: Sturdy material for long-lasting use Complete customer satisfaction is our main concern. Therefore, we work in close contact with our clients throughout the entire cycle to provide you with the highest quality products The desktop calculator will come in a sturdy box with a preinstalled battery Specifications: Battery type AA Dimensions 20.2 x 15.7 x 3.8 (cm) / 7.95 x 6.18 x 1.5 (inch) Stylish design Matte silver panel & black and red keys Light and portable Jus 120g, no additional weight for students Non-slip design The 4 slip-resistant rubber feet provide stability during typing One-year warranty We trust in our quality and offer our customers a one-year warranty Energy-saving advantages Under any light source, the calculator will automatically switch to solar power mode saving the energy and the environment