Sorry. But I've calculated this bloody limit three times,I got -2,1 and 0,but it should be -1!!
Yes,sometimes I'll write here in English. Need some practise and furthermore,"Sherlock" had its influence on me =p
If anybody wants,I can dublicate my posts in Russian,but I really don't want to do it.
And yes, Minttu-san,are you there? If yes,can you,please,check my notes for mistakes? Your English must be better than my. Pleaase~