That math software is what alot of math classes used while I was taking them. It would do that alot when it first came out. The erge to throw the computer through the window was real every day. Because if you got so many wrong it would automatically extend the assignment.
It's almost funny, until you remember that connector shape doesn't explicitly correlate to electrical potential, and it actually makes the exact opposite point that it intended to convey - it's what's inside that matters.