Marcin Borkowski <mbork@wmi.amu.edu.pl> writes:

> Hi list,

Hi Marcin,

> say that I'd like to learn a new language or something.  I'd like to
> devote, say, 180 minutes to it each week.  Does anyone have an idea how
> to achieve something like that in Org-mode:
>
> * I create a task (say, "Learn Italian")
> * I clock in/out when I start/stop doing this
> * I have a few other tasks like that
> * and somehow, org-magically, I can view a weekly report summarizing
>   whether I spent too much or too little time on different projects.
>
> Is such a thing possible in Org-mode?  I suspect that it might be
> doable, maybe with effort estimates and/or column view (which I don't
> use, but I can as well start using it), but it might also require some
> elisp hacking.  Does anyone have a setup for something like this?

Not exactly what you're looking for, but, there is org-drill[1] a
« flashcards and spaced repetition » system that will "optimize" when to
review items.

[1] http://orgmode.org/worg/org-contrib/org-drill.html

-- 
Daimrod/Greg