Advanced Tax and Business Functions Easily manage tax calculations and business budgeting with dedicated TAX+/ keys for quick tax rate setup. The GT (Grand Total), MU (Mark Up), and memory keys (MRC, M+, M) make financial operations faster and more accurate. tax rates to match your needs, ensuring precision every time. for accountants, small business owners, and other professionals requiring dependable tax and cost management. Operation Symbol Display See exactly what you are calculating with onscreen operation symbols for addition, subtraction, multiplication, and division. This feature makes it easy to follow each step in complex or continuous calculations, reducing mistakes and improving efficiency. Efficient Dual Power System Equipped with conversion solar panels for reliable use in bright environments, plus a backup battery for consistent performance anytime. Enjoy uninterrupted operation indoors or outdoors. The automatic shutoff function powers down the calculator after eight minutes of inactivity, conserving energy and extending battery life. Compact Size with Large Display and Build Designed for comfort and durability, this calculator features a large LCD display with a 30degree angled screen for clear viewing from multiple positions. The sturdy metal panel and quality ABS buttons provide a professional feel and longlasting performance. Ergonomically curved buttons match natural finger movement to reduce input errors during extended use. Practical Applications Business and accounting: Handle tax rate adjustments, profit margin calculations, and financial summaries with ease. Retail and sales: Use the MU function to quickly calculate markups and discounts for products or services. finance: Track household budgets, expenses, and tax estimates efficiently. This calculator delivers precise results, a professional design, and versatile power options, making it an essential tool for both professional and everyday financial needs.