This Sharp EL-W516T scientific calculator is a reliable tool for any mathematician or scientist. Its blue and black color scheme is sleek and modern, making it a great addition to any office or workspace. This calculator is specifically designed for business and industrial use, and is perfect for calculations of all kinds. In addition to the calculator, this listing also includes a carrying case and supplementary materials, making it a complete package for anyone in need of a reliable calculator for their business or academic pursuits. The Sharp brand is known for its quality and durability, ensuring that this calculator will be a long-lasting and valuable addition to your collection.