The Casio DH-12ET is a 12-digit desktop calculator for everyday office and business calculations. Its extra-large tilted display improves readability, and the solar-plus-battery power system supports regular desk use. Verified functions include tax calculation, currency conversion, Grand Total memory, independent memory, sign change, and a double zero key. With compact dimensions and rubber feet, it suits users who want a straightforward calculator for pricing, totals, and routine numeric work at a desk.