Nah, leave the typo in the title. It underlines the fact that you haven’t needed the math you learned at all.
For me, the phrase that remains starkly clear in my memory is something I learned in driver’s ed: A rain is most dangerous when it has just begun. I couldn’t wait for my son to start his driving lessons so I could hit him with it. He was highly, highly impressed, in the way that only a teenage boy can be with his mother.