The simple-to-use HP 17bII+ financial calculator is built for the heaviest workloads of real estate, finance and business professionals. Quickly calculate loan payments, interest rates and conversions, standard deviation, percent, TVM, NPV, IRR, cash flows, bonds and more. Features 28KB of user memory, over 250 menu-driven functions, RPN1 and algebraic entry-system logic, clock, calendar, HP solve application2, menus prompts and messages. Permitted for use on Certified Financial Planner® (CFP) Certification Exam3 (Footnotes) 1. Reverse Polish Notation (RPN) is an efficient data-entry system that can significantly reduce keystrokes. More information is available at www.hp.go.com/go/rpn. 2. HP Solve is a time-saving application that allows you to solve for any variable without rewriting your equation. 3. CFP® is a registered trademark of the Certified Financial Planner Board of Standards, Inc.