A Scientific and Financial RPN Calculator (HP-12C & HP-15C likewise) – Amazon Appstore for Android – Free Amazon app of the day

My RPN calculator is a scientific and financial calculator inspired by the Hewlett-Packard HP-10C series pocket calculators of the 80s, most notably the HP 12C and HP 15C models. It features classical 4 operations, logarithms, trigonometry, statistics, financial, conversions tables, and macros for easy programming. It also features complete support for complex numbers along with 2nd, 3rd, and 4th degree equations solving. Its unique magenta L key allows switching from one layout to another, thus saving space on small displays like smartphones without compromising usability.

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