Calculator Desktop Rebell SDC912GR 12 digit/ 1 line fixed angled display Made of recycled materials 4 key memory Percent Key Square Root Function Mathematical Function Mark up pricing [MU] Grand Total Double zero [00] Correct function Hard plastic key Solar Powered No text memory Colour: White/ Orange Dimensions : 145x104x26 mm Weight : 116 g Manufacturer: REBELL http://www.rebell4you.com/downloads/datasheets/EN/datasheet_SDC912.pdf