They [the students] also came upon new and unusual mathematical figures: the digon, a two-sided polygon on a spherical space, and the apeirogon, an open polygon with infinitely many sides […]. All these discoveries brought up even more questions. Is a circle a polygon? What makes an octagon an octagon – its eight vertices, its eight sides, or both? Can a polygon cross itself? Does a polygon need to be closed?

What are you up to today?

His Sam failed to pass at the preliminar' examination, an' wasn't allowed to try for a diplomy in public; an' Enoch an' his wife, why, they seem to hold it ag'in' me thet Sonny could step in at the last moment an' take what their boy could n't git th'oo the trials an' tribulations of a whole year o' bein' teached lessons at home an' wrestled in prayer over.

Excise duty had to be paid on each leaguer of brandy exported.