Advanced Math Necktie #2 features a variety of mathematical diagrams and equations, and the phrase "College Mathematics Course".

Silk. Navy Blue.

Price: $19.

Rows of gold and silver-blue Pi symbols.

Silk. Available in Navy Blue, Red.

Price: $29.

Advanced Math Necktie features algebraic and logarithmic equations, trigonometry, and arithmetic.

Polyester. Available in Burgundy, Navy Blue.

Price: $10.

Teacher Necktie features E=mc2 relativity equations and various symbols of the teaching trade.

Polyester.
Available in Cream Gold, Silver Blue.

Price: $10.

Numbers & arithmetic symbols on a black or blue background.

Polyester. Available in Navy Blue, Black.

Price: $10.

Euclid Necktie features a portrait of Euclid, surrounded by mathematical diagrams and writings.

Silk. Cream Gold.

Price: $19.