Standard Function Desktop Electronic Calculator 12 Digits Large Display Solar and Battery Dual Power Supply for School Home Office Business

features 12 digits display. It equipped with four standard arithmetic functions, change sign (+/-)key, GT key, square root key, 3 memory keys, mark-up/mark-down key(MU), and percent key can meet your normal calculating requirement.
Features:
Clear 12 digits display, great for daily calculations.
Dual power supply, solar and 1 * AAA back-up battery(not included).
Wide keyboard and soft plastic keys, easy for operation.
GT function, 3 memory keys, square root key, change sign key(+/-), mark-up/mark-down key(MU) and percent key, completely meet your normal calculating requirement.
Ergonomically tilted design, comfortable for input and reading data.
Perfect for school, office work and home use.