SibGraf: Easy-to-Use 2D Graphics for Windows. SibGraf plots any column of a data file versus any other column. The plot my be output to a screen, printer, plotter or a file.
SibGraf-1.0 Click here to ftp SibGraf-1.0 shareware
ReSCu: Resident Scientific Calculator for DOS. RESCU-3.10 is a tiny yet powerful scientific calculator which does Numerical Integration, Nonlinear equation Solution etc.