Feature: 1. This electronic calculator is a general purpose desktop calculator. Complete function, can meet various computing needs. 2. Great for home and office use. Handheld calculator, easy to carry and perfect for office, school or home use. 3. Quick and easy tax calculation.Displays up to 12 digits. Extra-large LCD display. 4. Two-way power supply: solar energy (only for when bright) and 1*AA battery 5. Tilted screen for easy and accurate screen reading.Perfect for office, school or home use. Specification: Large Display: Large LCD display,easy to read Professional Design:Scientific button design,In line with the use of human habits and comfortable for touch High Quality:Black panel with gray and green button fashion style, ABS material durable plastic buttons have a good feel to them Occasion:General purpose desktop calculator, perfect for home, office A nice gift for your family,friend or colleague Two-way power supply: solar energy (only for when bright) and 1*AA battery Package List: 1* Basic Calculator Note: Please insert 1 pc AA battery for continuous and accurate use.