And for Today’s Flight Entreatment, the Pitagoras Formula
The education system’s jargon is really difficult to understand. We can’t think of any other way to excuse or explain this nonsense. Even after reading it multiple times, this is still absolutely ridiculous.

Just envision being the flight attendant who had to go up to a complete stranger during the flight to determine if there was any reality to the threat that was called in, only to see him doing some math. Although math could be frightening, it’s definitely not a security hazard. Also, why is writing in a foreign language considered a security risk? People can know more than one language, it’s not that odd!