ocr: Mathematica, - Notebook Reader by Theodore V. Gray Version 2.1 September 1992 Wolfram Research, Inc. 100 Trade Center Drive Champaign, IL 61820 217-398-0700 Permission is hereby granted à to copy and distribute this Mathematice Notebook reader, MathRander" free of charge for any purpose other than resale. 01900-92 woliram Research, Inc. Matematica1s a registered rademark and Mathkeaderis a trademark of Wolfram Research, Inc.