<p>[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.</p> <p>[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 provide continuous power to the calculator.</p> <p>[Sensitive and Big Buttons] Once pressed, the buttons quickly register 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 touch.</p> <p>[Mulit-Function] Add, subtract, multiply, divide, backspace, grand total, CE, %, M+\/M-\/MRC, ON\/AC button, and auto Powr-Off. The desktop calculator turn itself off after about 6 minutes of being idle.</p> <p>[Best for Home \u0026 Office] This basic calculator suitable for business, office, home, school or anybody that needs make any sort of calculation from time to time.</p> <p>Colour:Blue</p> <p>Material:plastic</p> <p>Size:11.94 x 14.99 x 3.81 cm</p> <p>Package Contents:</p> <p>1 x Scientific calculator</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>