The price for translation is calculated on the basis of source language pages. 250 words make one standard page. The number of words is calculated in the following way: Tools-->Wordcount-->Words. Divide the number of words with 250 and multiply with the price for translation.
Yes, you have to present the original document to have the translation certified by Notary Public: according to the law, the original document has to be submitted to the Notary Public together with translation of the document.
A Notary Public does not certify translation of documents written in pencil, crossed out, modified, deleted or not sewed (Cabinet Regulations No 291).
The number of words is calculated in the following way: Tools-->Wordcount-->Words.