1997 - Interactive Differential Equations Version 20 [Macintosh/Windows] (Paperback) ISBN-13: 9780201192285 ISBN-10: 0201192284 Genre: Computers & Technology ? 1996 - Interactive Differential Equations [for Macintosh] (Paperback) ISBN-13: 9780201571318 ISBN-10: 0201571315 Genres: Computers & Technology, Science & Math ? |