For students and professionals in the fields of real estate, finance, accounting, and economics, the financial calculator HP 17bII+ is powerful and easy to use. Calculate loan payments, interest rates and conversions, standard deviations, percentage calculations, time value of money (TVM), net present value (NPV), internal rate of return (IRR), cash flows, bonds, and much more quickly and easily. It features 28 KB of user memory, more than 250 functions, input via Reverse Polish Notation (RPN) or algebraic input, a clock, calendar, HP Solve application, menus, prompts, and messages.