Professional, semi-desktop calculator features a sleek, glass-top design and an extra-large, 8-digit slant LCD with punctuation for easy viewing. Twin-power solar operation automatically switches from solar to battery power in low light. Four-key memory includes memory plus, memory minus, recall memory, and clear memory keys. Other functions include tax calculations, percent key and sign change keys, constant, and currency conversion. Calculator is lead-free and mercury-free.