Euler’s Identity T-Shirt for Mathematicians Physicists-4LVS

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Famous equations and formulas tee shirt for teachers, students, scientists studying mathematics, theory, space, general relativity. Wear this tshirt to class, college, school, the laboratory, the lab, cern, while teaching, studying calculus algebra pi mathematics mathematical constants, or lecturing. Lightweight, Classic fit, Double-needle sleeve and bottom hem