iPhone & iPad · financial and scientific RPN

Touch RPN for iOS

Formerly Touch Fin: a financial and scientific calculator for iPhone and iPad, with most features of the industry-standard 12C—including programming functions.

Touch RPN scientific calculator running horizontally on iPhone

Faithful RPN behavior

Designed to mimic the real device.

The calculator follows the original device as closely as practical, including details such as rounding up n in financial calculations. It also shares the familiar limits of a real 12C: 99 programming steps, 20 memory positions, and more.

Download Touch RPN on the App Store Looking for the Android version? Versão em português desta página? Clique aqui.

Complete product reference

Every essential detail, organized by topic.

The complete product guidance from the legacy STENDEC site is preserved here, including every original diagram, keyboard map, settings explanation, purchase note, privacy detail, and legal page.

Open Settings

Press ≡, then select More… in the top-right corner to reach the preferences panel.

More about SettingsPreferences, feedback, layout controls, execution speed, and reset options. Clipboard, quick guide and layoutLCD gestures, clipboard behavior, the quick guide, and portrait layouts. Calculator flavorsAvailable RPN calculators, purchasing, and fast flavor switching. Using a hardware keyboardComplete hardware keyboard maps for every calculator family. Saving and sharing the memorySave, load, import, share, and manage calculator memory files. Color editorCustomize calculator colors, reset defaults, and compensate for display differences. Problems with your purchase?Troubleshooting for App Store purchases and older stores. Privacy policy and terms of usePrivacy details and the terms governing use of Touch RPN for iOS.

Support

Questions, issues, or feedback?

Reach the Touch RPN community or contact STENDEC directly.

Facebook users group STENDEC on Instagram Contact support by email