Thomas Okken

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  Plus42 1.1.10

  Thomas Okken - Commercial -

  Plus42 is an advanced scientific programmable calculator that is based on Free42, which is a comprehensive re-implementation of the HP-42S scientific programmable RPN calculator manufactured by Hewlett-Packard from 1988 to 1995. 更多资料...
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  Free42 3.1.8

  Thomas Okken - Freeware -

  Free42 is a meticulously crafted reimplementation of the renowned HP-42S calculator and the HP-82240 printer. Developed from scratch with no reliance on any proprietary HP code, Free42 stands as a testament to innovation and technical … 更多资料...