Easy-to-use and learn • Finance, business and real estate functions in a simple intuitive layout at your finger tips • Fewer keystrokes to get your results fast Stylish • Unique and modern design sets you apart • Clean style and ergonomic feel Fast and dependable • New high-speed CPU provides fast results and 15-digit internal accuracy • HP legendary heritage of quality and reliability • Large 2-line display • View large numbers (up to 12 digits) • Scroll through variables, detailed labels, menus and prompts (up to 8 characters) Choice • Time-saving RPN entry, familiar algebraic, or traditional chain algebraic • Trigonometry, hyperbolic and other advanced math functions • Easily configure your display format and language preferences Image quality Display Display 2 lines alphanumerical LCD display: First line: 8 characters scrolling display + 11 indicators. Second line: 12 +3 digit display. Adjustable contrast Software Entry-system logic Choice of RPN, Hierarchical or chain Algebraic Built-in functions cashflow analysis, cashflows, break-even analysis Menus/Prompts Yes System features What's in the box Calculator, battery, user guide Warranty Feature 1 year (may vary by region) Features Financial functions TVM, IRR, NPV, NUS, amortization, depreciation, bonds, yield and accrued interest, interest conversion, list-based cashflow analysis, cashflows, break-even analysis Mathematical functions List-based, 1 and 2-variable statistics, Mean, standard deviation, population deviation, standard error, Forecasting, correlations and covariance, +, -, X, ÷, %, 1/x, +/- , scientific notation, n!, combinations, permutations, rounding, random numbers, LOG, LN, 10x, PL, square root, Trigonometry, probability Energy Efficiency Battery 2 x CR2032 batteries /Yes Battery life Average of 9 months