Orpie Orpie is a fullscreen RPN calculator for the console.
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Orpie is a fullscreen RPN calculator for the console. Orpie project is a fullscreen RPN calculator for the console. Its operation is similar to that of modern HP calculators, but data entry has been optimized for efficiency on a PC keyboard.Features include extensive scientific calculator functionality, units support, base conversions, command completion, configurable keybindings, and a visible interactive stack.Here are some key features of "Orpie":· real and complex numbers and matrices· extensive function library· command completion of function names· base conversions· units and conversion factor handling· exact integer arithmetic, with unlimited integer size· visible stack, with browsing/modification capability· user-defined variables· user-configurable keybindings, via a Mutt-like rcfile· context-sensitive helpRequirements:· some sort of Unix-like operating system, e.g. Linux, *BSD, Mac OS X...· OCaml v3.07 or greater· the GNU Scientific Library v1.4 or greater· the ncurses libraryWhat's New in This Release:· The unit handling subsystem has been completely rewritten, enabling the creation of user-defined units and physical constants.· The code base has been updated for compatibility with recent releases of GSL.

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