A Brief History of the Letter 'X,' From Algebra to X-Mas to Elon

A math historian explores how "x" came to stand in for an unknown quantity

Elon Musk's history with the letter X, from SpaceX to Tesla Model

Before X Was X: The Dark Horse Story Of The 24th Letter

Weekend Briefing, Edition 30, 2023: Breaking China - Intelligent Investor

X marks the unknown in algebra, but X's origins are a math mystery

Year to Remember Personalized Coin Wall Frame

Articles tagged as Ancient Greece

Dr. Priyank Narayan on LinkedIn: Leapfrog: Six Practices to Thrive with Mukesh Sud & Priyank Narayan

Articles tagged as linguistics

Articles: News & Features

How Did X Become the Unknown (and so much else)?

What does the letter 'X' mean? Branding experts weigh in