Overview: An algorithm is a step-by-step set of instructions that takes an input and produces a clear output, just like a ...

Tyler Lacoma has spent more than 10 years testing tech and studying the latest web tool to help keep readers current. He's here for you when you need a how-to guide, explainer, review, or list of the ...

Explore how algorithms transform trading with strategies like arbitrage and HFT, and their impact on global markets, ...

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.