qwt tutorial/guideline/introduction

Is there anywhere such a thing ?
Ive searched the web and couldnt find anything...
Yes you can say search the examples and docs...but in docs theres really a very liitle information...and when you start you need some at least short intro...before you look into source files...
Is there any please ?
Or how would be the best to learn it ?
Thanks

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Is there anywhere such a thing ?

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I never had the time to write one. So the answer is no.

Uwe