The MJ-120DPlus 12 Digits Desktop Tax Rate Calculator is a high-quality and efficient calculator that is perfect for both personal and professional use. This calculator is equipped with solar energy and dual power capabilities, ensuring that you always have a reliable power source. With its 12-digit display, this calculator allows for precise calculations and is suitable for a wide range of mathematical tasks. Whether you're calculating taxes, budgets, or complex equations, the MJ-120DPlus has you covered.