This Texas Instruments BA II Plus Professional calculator is an essential tool for any business person or student. With its LCD display and regular-sized keys, it's easy to use and perfect for all your calculating needs. The calculator is battery-operated and comes with a handy case for easy transport. Ideal for office equipment or personal use, this calculator is perfect for those who need accurate and fast calculations. The model is Texas Instruments BA II Plus, an industry-standard for financial calculators. It has a professional business type, making it reliable and efficient. Its features include the LCD display for easy reading and regular-sized keys for fast input.