Five-line XKCD ekphrasis
Please do not think me absurdBe assured I'm a man of my wordIn the Orthodox mathNought to four as a pathTraverses one two three and gird
A young mathematician from MalibuWas tired of constantly having toTell apart pi and eSo she called them both threeor 2.9299372.
Ooh, I like that. Good use of polysyllabic half-rhyme - reminds me of Tinie Tempah.