That's interesting, because in CompSci screen coordinates (and vector coordinates when programming graphics) are usually rooted at the top-left, so we have a mo

That's interesting, because in CompSci screen coordinates (and vector coordinates when programming graphics) are usually rooted at the top-left, so we have a more "consistent" natural perception of it - those of us using mainly left-to-right language scripts. Anyway, I really don't see graphs as sequences. I have my perception of cartesian graphs and sequenced lists completely separated. But the important thing here is the idea :-)