Scientific Reverse Polish Notation Calculator. Supported functions include square root, reciprocal, change sign, sine, cosine, tangent, arc sine, cosine, tangent, hyperbolic sine, cosine, tangent, and arc hyperbolic sine, cosine, and tangent. Trigonometric functions also computed in Degrees, Radians, or Gradians.

John Cominio RPN Calculator alternatives

All In One Calculator

The All In One Calculator is the most complete calculator in the App Store. Still free and with no ads. Enjoy

  • rating 4.4
  • size 66.7 MB

WP 31s

WP 31s is a classic RPN scientific calculator based on the powerful but more complex WP 34s. Now available on iOS too (see the support site for other emulators and for the real stuff).It is not programmable but has a rich function set for daily use and is easier to use, thanks to a less cluttered keyboard. A manual can be downloaded at http://sourceforge.net/projects/wp34s/files/doc/Manual_wp_31s_1_2q.pdf/download

  • size 4.7 MB

Calculator of Formulas with Graphing

This app is focused on calculating and graphing mathematical formulas for everyday life and work. What distinguishes it from many other RPN calculators available at the App Store? * Has an exhaustive set of help files and tutorials.

  • size 6.7 MB

Figures RPN Calculator

Figures RPN calculator is perfect for anyone looking for a simple, easy to use multifunction calculator for everyday calculations yet powerful enough to do some serious work. It does Financial, Scientific, Unit conversion/arithmetic, Statistic, and Probability. 5ft + 5in (55) = 5.42 - Integrated quick references- Financial functions: Amortization schedules, Bond price, Bond yield, Currency Converter, Depreciation, Cash flow analysis (NPV, IRR), Deferred Annuities, Margin & markup, Simple interest, Effective Interest Rate, Compound Interest, PV, FV, PMT- Date & Time: Date difference, Time difference, Duration- Statistics: 1- and 2-variable statistical analysis - mean, weighted mean, standard deviation, linear regression, correlation coefficient- Scientific functions: Trigonometric, Hyperbolic, Invert trigonometric, Invert hyperbolic, logarithmic, degrees/radians conversions, physical constants- Unit conversions: Area, Length, Temperature, Weight, Volume, Unit arithmetic, Fuel Consumption, Pressure, Speed- Probability: Factorial, Combination, Permutation

  • size 4.5 MB

Janus Calculator

Two-sided calculator. Side A uses Standard Notation, Side B uses Reverse Polish Notation. Also includes a Black-Scholes option calculator, including calculation of implied values for each of the inputs.

  • size 1.1 MB