The Limestone ftp site includes two compressed .zip files that contain programs to run in Microsoft Excel for Windows 95, and Fortran executable files.
The files are grouped in two directories are "Limestone Excel Program" and "Limestone Fortran Program".

"Limestone Excel Program" directory contains:

	Durability Factors.XLS
	Porosity by Water Absorption.XLS
	Rates Related Calculation.XLS
	X-Ray Diffraction Data Conversion.XLS
	Converting mol to surface loss.Doc

"Limestone Fortran Program" directory contains:
	ANN Training.EXE
	ANN Prediction.EXE
	How to Run the Artificial Neural Network Program.Doc

Under this directory, there is another subdirectory named "Related 
Fortran Files". It contains the Fortran Source code.

To Run .XLS program, open them in Microsoft Excel, and to run .EXE Double click on them.

(To Run any program, using Windows Explorer go to the particular directory and double click on any files. 
In the Windows environment, it will pick up (associate) the respective application program).