The SL-300SV has a 8 digit display with 3 key memory. It's suitable for everyday use, solar battery power, metal cover and also non stick plastic cover.
2 years warranty on Pocket/Desk/Printing calculators, 3 years warranty on Scientific/Graphic calculators. End user to return with proof of purchase to Casio Electronics Ltd., Service Department, Unit 6, 1000 North Circular Road, London, NW2 7JD. Call 0208 4527253