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  • $\begingroup$ @Federico: Why do you say that using an iPad is a pain? I have never tried to connect it to a projector, but I use it as tablet+stylus for taking notes during talks or simply when working on my own, and I find the result really good, both in terms of easiness of use and readability of the output. $\endgroup$
    – Filippo Alberto Edoardo
    Commented Jun 15, 2013 at 5:28
  • $\begingroup$ (1) worse writing quality than an active digitizer, especially for writing in smaller sizes --- and if you use it as a blackboard, you need to write small (2) can't disable touch input; this leads to spurious inputs whenever a part of your body other than the pen touches the iPad. You might get used to that, but if you give the tablet to, say, a student, they won't be able to get good results without some training. Of course, I realize that this might just be a pet peeve of mine after years of habit with active-digitizer tablets, but at least it's an opinion that is shared by several [...] $\endgroup$
    – Federico Poloni
    Commented Jun 15, 2013 at 10:20
  • $\begingroup$ colleagues where I work. And @GMark below writes exactly the same thing. $\endgroup$
    – Federico Poloni
    Commented Jun 15, 2013 at 10:21
  • $\begingroup$ Oh, and (3) 9.7'' feels a tad too small to use it as a blackboard substitute. How many lines of text can you fit on it? $\endgroup$
    – Federico Poloni
    Commented Jun 15, 2013 at 10:22
  • $\begingroup$ Regarding the Ipad one cannot in my experience get the same sort of precision: try to write a subscript of a subscript for example (at normal writing size). The typical pen sold (aftermarket) for the Ipad has a very fat end (it's just replacing your finger) so it's not too surprising. Like writing with the eraser end of the pencil instead of the lead end. $\endgroup$
    – GMark
    Commented Jun 15, 2013 at 15:18