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Screenshots

  • RPN Calculator screenshot 1

About RPN Calculator

RPN Calculator brings back the Reverse Polish Notation of the great scientific calculators. Enter the numbers, then the operation. No parentheses, no equals key, and every intermediate result stays in view. Four level stack X, Y, Z, T, always displayed. Trigonometry in degrees, radians or grads. Logarithms, exponentials, powers, roots, factorial, percentages. Ten memory registers. Fixed, scientific and engineering display. Portrait and landscape, copy and paste, hardware keyboard on Mac and iPad. No ads, no account, no data collected. RPN Calculator reprend la notation polonaise inverse des grandes calculatrices scientifiques. On entre les nombres, puis l'opération. Pas de parenthèses, pas de touche égal, et chaque résultat intermédiaire reste sous vos yeux. Pile à quatre niveaux X, Y, Z, T, toujours affichée. Trigonométrie en degrés, radians ou grades. Logarithmes, exponentielles, puissances, racines, factorielle, pourcentages. Dix mémoires. Affichage fixe, scientifique et ingénieur. Portrait et paysage, copier coller, clavier physique sur Mac et iPad. Aucune publicité, aucun compte, aucune donnée collectée.

What’s new

Version 1.0.1 · Updated October 11, 2026

Improved Display - added a command icon for Command Center

App privacy

The developer, Francois Metzler, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to RPN Calculator

Looking for apps like RPN Calculator? Here are 6 similar apps on the App Store. The highest rated is Calculator: Brill Calc (5.0/5), and all 6 are free to download.

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