RPN scientific calculator that implements most functions of the beloved HP-11C.
Touch 11i is an RPN scientific calculator for Android devices that emulates the beloved HP-11C. It is feature-complete with all functions implemented, including programming.
This version is free and ad-sponsored. If you like this calculator, consider buying the full version, also named Touch 11i, which has many more features, like save/restore memory and vertical layout!
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