<<< native
[ EArray
    [ AlignCenter , AlignCenter ]
    [ [ [ EText TextNormal "taller num" ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "2")
            , ESymbol Bin "+"
            , ESuper
                (EFraction NormalFrac (EIdentifier "h") (EIdentifier "x"))
                (ENumber "2")
            , ESymbol Bin "+"
            , ESuper
                (EDelimited
                   "("
                   ")"
                   [ Right (EFraction NormalFrac (EIdentifier "h") (EIdentifier "x"))
                   ])
                (ENumber "2")
            ]
        ]
      ]
    , [ [ EText TextNormal "taller denom" ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "2")
            , ESymbol Bin "+"
            , ESuper
                (EFraction NormalFrac (EIdentifier "x") (EIdentifier "y"))
                (ENumber "2")
            , ESymbol Bin "+"
            , ESuper
                (EDelimited
                   "("
                   ")"
                   [ Right (EFraction NormalFrac (EIdentifier "x") (EIdentifier "y"))
                   ])
                (ENumber "2")
            ]
        ]
      ]
    ]
]
>>> eqn
matrix{
ccol{ {roman "taller num"} above {roman "taller denom"} }
ccol{ {x sup 2 + {h over x} sup 2 + {left ( h over x right )} sup 2} above {x sup 2 + {x over y} sup 2 + {left ( x over y right )} sup 2} }
}