hi,
does anyone have a manual for the Casio Ex-Word in english (or german)?

Has someone has a wordlist, anki-File with words which are on the keyboard and visible on the screen?

I have a XD-GP6900. But I don't understand what I'm doing if I click on anything.

The link below has some manual info that you can look at. Other than that just play with it, it's pretty easy to figure out most of the important stuff.

http://www.whiterabbitpress.com/support/...ds&_a=view

Look at this:
http://www.whiterabbitpress.com/download...SW6400.pdf

The Dataplus line is all very, very similar. I have an EX-WORD as well. You're going to be getting very intimate with your dictionary, so give yourself time to learn how to use it by trial and error. As you progress in Japanese, then you can surprise yourself with little things you didn't know it could do or useful dictionaries/encyclopedias you didn't know it had.