Julia ( http://julialang.org/ http://julialang.org/ ) is another homoiconic language that doesn't use S-expressions. They're both mathematical languages, so it

Julia ( http://julialang.org/ http://julialang.org/ ) is another homoiconic language that doesn't use S-expressions. They're both mathematical languages, so it's plausible that Julia was inspired by Mathematica in this choice, though it takes other ideas straight from Common Lisp, so maybe not.