This Texas Instruments BA II Plus Professional Business Analyst Financial Calculator is a powerful tool for any financial professional or business owner. With its regular sized display and handheld size, it is perfect for on-the-go calculations. Powered by batteries, it is always ready for use. This calculator, made by the well-known brand Texas Instruments, is designed specifically for financial calculations. Its model name is the Texas Instruments BA II Plus. It is ideal for use in various office and business settings. Whether you are a financial analyst or a business owner, this calculator is a must-have for accurate and efficient calculations.