<h4> CASIO DS-3B Heavy Duty Office Calculator Multicolour</h4> <p>The Casio DS-3B Heavy Duty Office Calculator Multicolour is a professional-grade, high-performance calculator designed for demanding office, retail, and educational environments. Its large 12-digit LCD display with 3-digit comma markers ensures clear readability and precise calculations, even when handling large numbers or complex computations. The dual power system, combining solar energy with battery backup, provides consistent and reliable operation in any lighting condition.</p> <p data-start="723" data-end="1176">Durable, heavy-duty plastic keys offer smooth and responsive input, enabling fast and accurate calculations throughout extended use. This model supports essential arithmetic operations including addition, subtraction, multiplication, and division, as well as percentage, square root, and mark-up calculations. Memory features, including Grand Total (GT) and independent memory, allow users to perform multi-step calculations without losing prior data.</p> <p data-start="1178" data-end="1773">Additional features such as decimal point selection, rounding options, and sign change functionality make this calculator suitable for accounting, financial, and academic tasks. Its robust and desktop-friendly design fits securely on any workspace, while the multicolour keys enhance visibility and ease of use. A protective cover adds durability, and the ergonomic layout ensures comfort during extended calculations. Ideal for accountants, office professionals, students, and retail personnel, the Casio DS-3B combines accuracy, efficiency, and durability in a heavy-duty desktop calculator.</p> <p> </p>