HP HP30B
RPN & algebraic logic (chain & Hierarchical), 1000 separator selection & fix selection, detailed real-text labels, menus/worksheets, prompts, menus/worksheets, memory functions, decimal point selection, TVM, IRR, MIRR, FMRR, Black Sholes, NPV, NUS, amortization, depreciation, bonds, interest conversion, list-based cashflow analysis, cashflows, break-even analysis, rotate-&-click technology for accuracy & reliability, display format & language preferences POWER: 2 x CR2032 batteries Contents: Calculator, batteries, quick start guide, protective pouch