11C Scientific Calculator

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    11C Scientific Calculator is the most accurate and precise emulator of the HP 11C RPN scientific programmable calculator available for iPhone and iPod touch. It uses the same RPN (Reverse Polish Notation) entry system and supports the same mathematical functions as the HP 11C Scientific Calculator.

    **** Features ****
    • Hyperbolic and inverse hyperbolic trig functions.
    • Probability (combinations and permutations).
    • Factorial, absolute, integer & fractional.
    • % change, and % of total.
    • Random number generator.
    • Index register for indirect operations.
    • User mode to run program labels.
    • Cumulative statistical analysis & Linear regression.
    • Hour minute second conversion.
    • Polar, rectangular conversion.
    • RPN entry.
    • Programmable.
    • In-app manual, quick start help, and in-app support access.
    • Option to disable/enable key click feedback sound; and
    • Easily switch between US and EU data format/comma or period as decimal point
    • Automatically save/restore settings during app close/start.
    • Click menu key to see more options.
    • More …

    *** What People Say About It ***
    "Miss your old HP 11C RPN scientific calculator? Then give this utility app a try. It mimics the look and feel of that classic number cruncher in every way possible. It uses the same Reverse Polish Notation entry system and supports the same mathematical functions. There’s even an in-app manual that features tutorial videos in case you’ve lost your touch."

    "This app supports complex numbers, intense calculations, matrix operations, and many other features that I don't have room to list. "

    **** Support ****
    Feel free to contact us if you need any support by visiting or simply email us at

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    Users review

    from 149 reviews