WUSUANED Pi Symbol Pendant Necklace 3.14 Math Sign Jewelry Pi Day Gift For Science Math Lover Teacher
Material: MetalMetal type: Stainless SteelClasp type: HOOPChain type: CableGem type: No GemstoneMaterial: Stainless Steel, it is hypo allergenic, it doesn't rust, change colour or tarnish and it is lead free and nickel free.Size: pi symbol pendant: 1.3cm(0.51inch)*1.5cm(0.59inch), chain length: 44cm(17.32inch)+5cm(1.97inch).The Pi Pendant Necklace will arrive in a velvet bag ready for giving. superb gift for a Maths graduate, Maths student or teacher, Math nerd, Mathematician, Scientist, math and geometry lovers.Pi is mathematical constant that is equal to the ratio of a circle's circumference to its diamater. It's an irrational number, which means that while it starts with 3.14159265, its digits continue indefinitely. It's a splendid way to show someone She/He is a CONSTANT in your life!Occasions: Pi Day on March 14 (3/14), Birthday, Teacher Appreciation Week, Thanksgiving Day, Graduation, Christmas, or other special days.