Acknowledgements

The tutorial on Deltagraph was written by Alex Nolan, Computing Services, University of Edinburgh.

Special acknowledgements are due to:-

• The Advisory Group on Computer Graphics (AGOCG) who funded the work to produce this tutorial.
• SPSS Inc. who provided permission to make use of material from the Deltagraph User's Guide for version 4.0 within the tutorial.
• Steve Morgan and Mary Thorp at The Computing Laboratory, University of Liverpool, who read the first draft and provided many helpful comments and suggestions for improvement.
• The Graphics and Multimedia Group at Computing Services, University of Edinburgh, who provided the resources to develop the tutorial, and, in particular, to Francis van Millingen of that Group, who provided advice on the use of Microsoft's Front Page package, which was used to produce the tutorial, and who also checked through the tutorial material.

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