RPN Calculator
Francois Metzler Utilities iPhoneiPadiPod touchMacApple Watch
RPN Calculator is a free Utilities app for iPhone and iPad by Francois Metzler. Requires iOS 17.0. Updated October 11, 2026.
- Price
- Free
- on the App Store
- Size
- 1 MB
- Age 4+
- Updated
- Oct 11
- 2026 · v1.0.1
Screenshots
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.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| RPN Calculator | – | Free | October 11, 2026 | |
| Calculator: Scientific & Units | – | Free | Oct 8, 2026 | Compare |
| Calqulist | – | Free | Oct 5, 2026 | Compare |
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| Calculator: Brill Calc | 5.0 / 5 (2) | Free | Oct 14, 2026 | Compare |
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