Throughout the Internet the good Lord has XY (see below) distributed its Amazon review, in which he proclaims loudly that it was the device is a fake, because "3 Jahle guarantee" is written on the packaging. However, after consultation with the Casio customer service I can give the all clear! The typo is actually caused by Casio, and noticed albeit too late, because the production process had already been completed at this time. Thus found in all shelves of our country 991DE Plus calculator on which the said misspellings can be found!
The TR is working great. The new features are top! Finally a simple jump back in great terms! The acquisition is worth definitely! With regard to the advantages and disadvantages I can only associate myself with the other reviews ..