The calculator has a large LCD 12-digit display and giant buttons for easy reading and input. ;There is a ability of solar power supply by this calculatoreven when the battery energy is exhausted, it can be used after a certain period of exposure by sunshine. ;The universal desktop calculator is suitable for using at home, office,school or convenience store. ;Made of durable ABS material. The detachable keys for easy cleaning and assembly. And the compact size is convenient for traveling and packing in bags. Automatic shut-down, Independent memory, M +, M-, Grand Total (GT), Percent (%). SPECIFICATIONS: The back cover of the calculator cannot be opened and the battery cannot be replaced Please pay attention to the age of use: Children under 9 years old are prohibited from using this product, because the buttons are removable. Please keep away from children PERFECT OFFICE SCHOOL ACCESSORIES - SOLAR POWERED CALCULATOR Material: ABS plastic Recommended age: More than 9 years Extreme energy savings: automatic shutdown Scenes to be used:at home, school, office or store Package includes: 1 x Solar Calculator 12 Digits Extra Large Display Auto-Power Off M+, M- Grand Total (GT) Solar battery powered Color: white Size: 10x18.5x1.5cm Product includes: 1x calculator