Munching squares
Munching squares is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.
Render a graphical pattern where each pixel is colored by the value of 'x xor y' from a color table.
Mathematica
Output #1: <lang Mathematica> ListDensityPlot[
Table[Table[ FromDigits[BitXor[IntegerDigits[x, 2, 8], IntegerDigits[y, 2, 8]], 2], {x, 0, 255}], {y, 0, 255}]]
</lang>
Output #2: <lang Mathematica> ArrayPlot[Array[BitXor, {511, 511}]] </lang>