ZX

Zx is a term used as a label, acronym, or stylized brand name across multiple domains. It does not refer to a single, universally recognized entity, and its meaning depends on context.

In computing, ZX is strongly associated with the ZX Spectrum, a line of 8-bit home computers released by Sinclair Research in 1982. The Spectrum helped popularize affordable home computing in the United Kingdom. In some contexts, the branding appears as Zx in stylized logos.

In quantum computing and theoretical computer science, ZX-calculus is a graphical language for reasoning about quantum processes. It represents states and operations with diagrams and is used to simplify quantum circuits and verify related protocols.

In branding and other domains, Zx may appear as a model code, project name, or shorthand; its meaning is highly contextual and can vary between products, organizations, or media. Because capitalization and usage differ across sources, additional context is usually required to determine the intended reference.