Citizen desktop calculators offer every feature you need at your desk. From tilt displays or large plastic keys right through to a wide range of commercial functions. *Count on quality* A normal working day is often made of effort and hard. And for every day tasks you need the perfect tool to perform on your target. With the Citizen CT-555N, there is no compromise, just the performance and the reliability of the Citizen products. *-1-Line Display -12-Digit Display -Dual power: Battery & Solar -Fixed Angled Display -Tax-Function -Check & Correct (120 Steps) -Mark Up Pricing -Square Root Function -Auto-sleep mode -3-Keys Memory Function: MRC, M+, M-