Expression 1: "y" equals StartFraction, 2 "x" Over 1 plus floor left parenthesis, 2 "x" left parenthesis, StartNestedFraction, 0.1 5 NestedOver 1 plus StartNestedFraction, "z" NestedOver 100 , EndNestedFraction , EndNestedFraction , right parenthesis , right parenthesis , EndFraction Has graph. To audio trace, press ALT+T.y=2x1+floor2x0.151+z100