Sharp EL1750V 12 Digit Printing Calculator without Adaptor White SH-EL1750V The Sharp EL-1750V is a solid desktop printing calculator with a large 12 digit LCD display capable of fast, crisp 2 colour printing in black or red. The practical and robust calculator with a professional keyboard is fully portable being dual powered by 4 x AA batteries and mains powered so when you need to work on the go you can continue with your calculations. EA-28A power adapter sold separately