Beautiful Pi Number Scarf/Wrap/Shawl The number π (/paɪ/) is a mathematical constant. Originally defined as the ratio of a circle's circumference to its diameter, it now has various equivalent definitions and appears in many formulas in all areas of mathematics and physics. It has been represented by the Greek letter "π" since the mid-18th century, though it is also sometimes spelled out as "pi". It is also called Archimedes' constant. Pi number printed on soft, beige colored viscose shawl with linen texture. This scarf is very soft and cozy. You will love this scarf ! Perfect gift for a math lovers ! Scarf size: Length: 72 inches Width: 26 inches Print size: 16" x 20" at both ends (same print on both ends )