Yep English is already going the way of Latin. Didnt GB Shaw say something along the lines of America and England being seperated by the same language?
As for calculus I thought he was the rather confused scientist of Tin Tin fame.

Exactly Joe.
Language is heritage, and no amount of 'cultural awareness' education enables us to enter the mindset of the speaker of another language like learning that language.
To retain the language of our forefathers strengthens the family links but just learning a different language gives us a better grasp of our own, a wider window on the world and learning skills that last through life.
Language studies should be, as in many European countries, compulsory and rigorous.