10.test

<<< native
[ ESub (EIdentifier "\981") (EIdentifier "n")
, EDelimited "(" ")" [ Right (EIdentifier "\954") ]
, ESymbol Rel "="
, EFraction
    NormalFrac
    (ENumber "1")
    (EGrouped
       [ ENumber "4"
       , ESuper (EIdentifier "\960") (ENumber "2")
       , ESuper (EIdentifier "\954") (ENumber "2")
       ])
, ESubsup (ESymbol Op "\8747") (ENumber "0") (ESymbol Ord "\8734")
, EFraction
    NormalFrac
    (EGrouped
       [ EMathOperator "sin"
       , EDelimited
           "(" ")" [ Right (EIdentifier "\954") , Right (EIdentifier "R") ]
       ])
    (EGrouped [ EIdentifier "\954" , EIdentifier "R" ])
, EFraction
    NormalFrac
    (ESymbol Ord "\8706")
    (EGrouped [ ESymbol Ord "\8706" , EIdentifier "R" ])
, EDelimited
    "["
    "]"
    [ Right (ESuper (EIdentifier "R") (ENumber "2"))
    , Right
        (EFraction
           NormalFrac
           (EGrouped
              [ ESymbol Ord "\8706"
              , ESub (EIdentifier "D") (EIdentifier "n")
              , EDelimited "(" ")" [ Right (EIdentifier "R") ]
              ])
           (EGrouped [ ESymbol Ord "\8706" , EIdentifier "R" ]))
    ]
, ESpace (1 % 6)
, EIdentifier "d"
, EIdentifier "R"
]
>>> tex
\phi_{n}(\kappa) = \frac{1}{4\pi^{2}\kappa^{2}}\int_{0}^{\infty}\frac{\sin(\kappa R)}{\kappa R}\frac{\partial}{\partial R}\left\lbrack R^{2}\frac{\partial D_{n}(R)}{\partial R} \right\rbrack\, dR