Happy PI day, 14 march, Pythagoras mathematical numbers series ( 3.14 3,14 3/14 ) symbol. Fun vector maths icon or sign banner Ratios letters formula structure. Archimedes constant irrational number T-shirt #347370090
This unisex t-shirt is a wardrobe staple that effortlessly matches any outfit. Made from robust cotton, it showcases a double-stitched neckline and sleeves for exceptional durability.
