Exciting new Autograph: a major make-over: endless new possibilities involving attributes of objects on screen. There is a new ground-breaking ARGAND DIAGRAM page, giving new ways to explore complex numbers as dynamic objects.
• New extension MANUAL for Autograph 4 (pdf, 32pp)
• INTRODUCTORY VIDEO for Autograph 4 (mp4, 14 min)
• Download and explore! here (PC or Mac)
• v.4 Summary (4pp)
Douglas Butler's Blog (Oundle, UK) 