… an HP-42S ROM image. Even though it contains significant enhancements compared to the original calculator, Free42 remains fully compatible with the HP-42S, both in its user interface and in its ability to run programs written for the HP-42S. Free42 is an … Read more
HP-42S RPN scientific hand held calculator, the application does a pretty good job at replicating all of its functions, thus making it available on your desktop. What's more, there's even an implemented skin which fully resembles the HP-42S. A More about Free42
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