Shunting-Yard Algorithm: Now with Animation

Remember when you wrote a calculator on a whim and realized that Reverse Polish Notation isn't just a spell from a fantasy novel? Edsger Dijkstra's Shunting-Yard algorithm is the magic that turns boring infix expressions into machine-friendly postfix. And now it has an animation.

At somethingorotherwhatever.com, you can watch operators and operands move through the stack in real time, like train cars in a marshalling yard. It's hypnotic — maybe more than cat TikToks, but definitely more educational.

For developers who've ever written parsers or compilers, this will bring back memories of operator precedence bugs. For newcomers, the animation helps explain why 2 + 2 * 2 isn't 8 (spoiler: not a bug, it's a feature of math).

Bonus: you can input your own expression and step through the parsing. Perfect for anyone who wants to grok the algorithm without headaches or unnecessary parentheses.

METABYTE team comment: We love visualization too — especially when debugging complex logic. Though our animations usually end not in a yard but in production after a midnight deploy.