The Casio MS-10F is a 10 digit desk calculator with LC display. This model is powered by dual solar and battery power. The calculator has plastic keys and rubber feet for stability. Functions include tax calculation, currency conversion, pro-percentage, mark up with percentage key, sign change and key rollover. With back up battery and auto power off this calcualtor is perfect for use at home or at work. 10 digit desk calculator LC display Dual solar and battery power Auto power off Plastic keys and rubber feet Function command signs and 3-digit comma markers Tax calculation, Currency conversion (3 rates), Pro-percentage Mark up with percentage key, Sign change (+/-), Key rollover 3 key memory Dimensions: 101x27.6x148.5mm