Doesn't it also show first derivative in calculus? Oh prime…though no function is indicated.
EOs wouldn't have an apostrophe. It's a possessive or contraction.
AHCs….Attack Helicopter Companies
Do you guys remember that messaging app in the news a few years ago. Something like Cricket? It was designed to be used in schools or around adults by using higher frequencies that adults supposedly couldn't hear anymore.
Ironic that the ferris wheel is called the London EYE