via   the comic content delivery system known as    Randal Munroe   at    XKCD   !

XKCD, Equations

| | Humor, Maths, Sarcasm, satire, XKCD
via the comic content delivery system known as Randal Munroe at XKCD! ...
  via   the comic content delivery system known as    Randal Munroe   at    XKCD   ! Visit   OEIS   !

XKCD, An Apple For A Dollar

via the comic content delivery system known as Randal Munroe at XKCD! Visit OEIS ! ...