Oh, math-lover most divine,
for you this mathy Valentine --
found when I lookedin a calculus book --
a cardioid is the heart-sign.
Mathematical language can heighten the imagery of a poem; mathematical structure can deepen its effect. Feast on an international menu of poems made rich by mathematical ingredients -- and gathered here by JoAnne Growney, whose personal website is at https://joannegrowney.com/ .