Calculator Dual-Power Handheld Desk Calculator with 12 Digit Large LCD Display for Students & Kids Feature: Product Name: Calculator Material: Rubber & Plastic Product color: Pink Product size:14.8x12x4.8cm/5.83x4.72x1.89in Packing size: 15x12.5x5cm/5.91x4.92x1.97in Net weight：0.12kg/0.264lbs Gross weight: 0.135kg/0.297lbs Description: [Large 12-digit Display] The huge large LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing. Max support 12 digits display. [Dual-power Design] The calculator utilizes both the solar power and battery power (battery not included). As long as you use it in a well-lit environment,the solar panel will provide continuous power to the calculator. [Sensitive and Big Buttons] Once press-ed, the buttons quickly regis-ter and display the corresponding number on the screen. The electronic desk calculator adopts a scientific large button design, which conforms to human habits and is comfortable to tou-ch. [Mulit-Function] Add, subtract, multiply, divide, backspace, grand total, %, M+/M-/MRC, ON/AC button, and auto Powr-Off. [Best for Home & Office] This basic calculator suitable for business, office, home, school or anybody that needs make any sort of calculation from time to time. Package Included: 1× Calculator--- Requires 1 AA battery (not included) Large 12-digit LCD display for easy reading Dual-power design utilizing solar and battery power Responsive and large buttons for comfortable use Multi-function capabilities including addition, subtraction, multiplication, and division Auto power-off feature for energy efficiency