Par: Financial Calculator RPN

The last calculator you need. Par is a full RPN financial calculator that follows the classic gold-key keystrokes, so the steps you learned years ago, or find in any finance textbook, work exactly as written. TIME VALUE OF MONEY • Solve for n, i, PV, PMT or FV, with payments at the beginning or end • Monthly shortcuts for years and annual rates • Odd first periods, with simple or compound interest • Amortization: interest, principal and balance for any range of payments CASH FLOWS • NPV and IRR, with repeated flows grouped • Review and change any flow without re-entering the rest • A cash-flow diagram drawn as you enter them BONDS, DEPRECIATION AND DATES • Bond price, accrued interest and yield to maturity • Straight-line, sum-of-the-years'-digits and declining-balance depreciation • Future dates with the weekday, and days between dates (actual and 30/360) STATISTICS AND MATH • Mean, standard deviation, weighted mean and linear estimates with correlation • Percent, percent of total and percent change • Powers, roots, logarithms, factorials and rounding to the display PROGRAMMABLE • Up to 99 program lines with branching, loops, pauses and conditional tests • Step through programs line by line, and edit them in place SEE WHAT A CALCULATOR USUALLY HIDES • The whole stack, shown live above the display • Financial and storage registers in a side panel, with the program you're writing • History of every calculation, to revisit and reuse • Lessons that walk you through real problems, and help for every key MADE FOR IPHONE AND IPAD • Portrait and landscape, with a 10 × 4 keypad wherever it fits • Liquid Glass design that follows light and dark mode • Skins: Classic, Graphite and Paper, or choose your own colors and share them • Hardware keyboard and iPad menu bar • Siri and Shortcuts: loan payments, investment growth, days between dates, NPV, IRR and your last answer • Apple Watch app with quick solvers, your synced history and a complication showing the latest answer on your watch • VoiceOver, Voice Control, larger text and Increase Contrast • Your numbers and programs are kept between launches • History syncs between your iPhone and iPad with iCloud Checked against more than 80 worked examples from the classic financial calculator handbook, with 10-digit accuracy and the same rounding. No ads. No account. No tracking.