Of course they ordered exactly 43 nuggets! Numberphile fans know that mathematicians don't just casually order food—they choose specific numbers with fascinating properties! 43 is prime, and prime numbers are like mathematical celebrities on Numberphile videos. The deadpan expression perfectly captures that moment when the McDonald's employee has no idea they're part of someone's mathematical universe. Meanwhile, the mathematician is probably already calculating the optimal arrangement of nuggets on the tray using some obscure theorem!

Recursion enthusiasts living dangerously on the edges of the bell curve! While the average mathematician (IQ 100) anxiously verifies the base case P(0), the mathematical rebels at both extremes skip straight to induction with ((∀k<n)P(k))⇒P(n). They're either brilliant enough to see that the base case is trivial or... not quite grasping why their proofs keep collapsing like a house of cards. Mathematical induction without a foundation is basically just vibing with symbols and hoping for the best. The professor's panic is entirely justified!

Poor kid just stumbled upon the infamous Collatz Conjecture disguised as homework. That function is a mathematical rabbit hole that's been driving professional mathematicians insane since 1937. Even with supercomputers, nobody can prove whether all starting values eventually reach 1. The "DOES HE KNOW?" caption is perfect—because no, he doesn't know he's facing one of math's most notorious unsolved problems while thinking it's just Grade 11 algebra. It's like accidentally wandering into a quantum physics exam when you signed up for basket weaving.

Someone clearly skipped the statistics lecture on what "least squares" actually means. The left shows a desperate attempt to fit data by drawing countless squares—a statistical crime scene. Meanwhile, the right side nails it with a single regression line in a square frame. It's the statistical equivalent of bringing a Swiss Army knife to cut bread when all you needed was... you know... a knife. Statisticians everywhere are either crying or slow-clapping at this magnificent pun-based misunderstanding.

The recursive mathematical definition rabbit hole strikes again! This meme perfectly captures the mathematician's version of explaining something simple with something even more complicated. For the uninitiated: a semigroup is indeed an associative magma (a set with a binary operation), and a monoid is literally a semigroup with identity. So answering these questions this way is technically correct—the best kind of correct—but hilariously unhelpful! The emotional journey from smug satisfaction (top left) to confused crying (top right) to exasperated explanation (bottom left) to smug satisfaction again (bottom right) is the exact cycle mathematicians go through when they realize they've explained something using terms that require even more explanation. It's abstract algebra inception!

Someone took the HP logo and turned it into a calculus joke that would make even your most jaded math professor crack a smile. The "dy/dx" notation is the bread and butter of differential calculus—the rate of change of y with respect to x. And here we have the HP logo cleverly reinterpreted as "dy over dx." What's funnier than repurposing corporate branding for mathematical puns? Absolutely nothing, if you've spent the last decade of your life grading terrible calculus exams. This is the kind of joke that separates those who still have nightmares about their differential equations final from those who merely pretend to understand STEM humor at parties.