Shareware

SibGraf

Easy-to-Use 2D Graphics for Windows. SibGraf plots any column of a data file verson any other column. The plot may be output to a screen, printer, plotter or a file.
Download SibGraf - 1.0 shareware.

ReSCu

Resident Scientific Calculator for DOS. ReSCu-3.10 is a tiny yet powerful scientific caluculator which does Numerical Integration, Nonlinear Equation Solution etc.
Download shareware.