iPhone SE (2020) / 7 / 8 Pi, Spiral Symbol, Math, Infinity, Irrational Number, Pi day Case

Math, Pi symbol, cool gift idea for all who love mathematical symbols, Pi Day, geometry, formulas, circumference, infinite, series, irrational, transcendental, numbers, Greek, letters, Archimedes, platonic solids, fibonacci, golden ratio, Sc-ifi. Pi gifts for boyfriend, girlfriend, student, teacher, mathematician, physicist, nerd, geek, team, club, memeber, birthday, Christmas, school, high school, university, college, travel, leisure, work, job, sports, film, music festival, special occasions.