Register or log in:
Register or log in
Please register as a user so that I can trace usage of the system,
and mail you if I find bugs. If you have already registered just give
your e-mail address to log in. The service is also available anonymously
, but some
features (notably the ability to define your own indices, to upload
your own data and to use large datasets) are then disabled. As a registered user many forms remember their settings for a few days.