| Tue, 19 Jun 2018 12:14:12 +0100 | paulson | fixing overloading problems involving vector cross products | file | diff | annotate |
| Mon, 18 Jun 2018 15:56:03 +0100 | paulson | corrections to markup | file | diff | annotate |
| Mon, 18 Jun 2018 14:22:26 +0100 | paulson | New material in support of quaternions | file | diff | annotate |