**The Strange and Righteous History of the Equals Sign...**

Robert Recorde was a polymath Welshman born in 151... ...ress, quickly and with a minimum of wasted ink, a **mathematical** equation in symbols. Instead of writing, "A facto... ...e whyche is takene awaye a quantitie of foure," a **mathematician** could write: "x + 3 = y - 4".That opened the door... ...d write: "x +...