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Precise Calculator has arbitrary precision and can calculate with complex numbers, fractions, vectors and matrices. Has more than 150 mathematical functions and statistical functions and is programmable (if, goto, print, return, for).
KMWin (Kaplan-Meier for Windows) is a convenient tool for graphical presentation of results from Kaplan-Meier survival time analysis. The programme is based on the statistical software environment R and provides an easy to use graphical interface. As an introduction, see http://dx.plos.org/10.1371/journal.pone.0038960#s2.
Reor is a winsome calculator with loads of functions, by Ajay Menon.
Reor is a free calculator which is crafted into perfection with a winsome interface. Reor has got Scientific, Statistical, Graphical and many more types of tools built-into it, while maintaining an attractive interface.
This is a project which implements the interface of lucene Analyzer to extend its function of coping with the problem of chinese segmentation based on the statistical model(Hiden Marcov Model)