ISETL Copyright 1987, 1988, 1989, 1990, by Gary Levin
ISETL for Windows (ISETLW) Copyright 1995, 1996, 2001, by John F. Kirchmeyer
ISETL and ISETLW may be freely copied and used on any computer by anyone as long as the copyright notice is preserved, subject to the restriction that they not be sold for profit. (This would permit bulk copying and sale at cost.)
The author disclaims all warranties as to this software, whether express or implied, including without limitation any implied warranties of merchantability or fitness for a particular purpose. The code is believed to be fairly stable and reliable, but all software should be expected to have some defects.
At times development and fixes for this program may be quite intense. At other times it may be nonexistent for months or years due to the author's teaching schedule, etc.