Hi,
I have a question about what is happening in this video at 00:00:03 -
http://www.youtube.com/watch?v=wNeynAwjZWg#t=3s.
In mathematics, one need to discuss method/solution of example. In this context which does picture in picture effective? As mathematician needs more line in one slide and more words in one line as requirement of solution. Please give your suggestion on it..
Thanks!
Reference Key - ahlqfnN3YXlhbS1ub2RlMS1wcm9kdWN0aW9uciILEhVTdHVkZW50UXVlc3Rpb25FbnRpdHkYgIDAzZv-5woMogENbnNfbm9jMTlfZ2UxOQ