<<< native [ EIdentifier "x" , ESymbol Bin "-" , EFraction NormalFrac (ENumber "1") (ENumber "3") , ESymbol Bin "-" , EFraction NormalFrac (EIdentifier "x") (ENumber "3") , ESymbol Bin "-" , EFraction NormalFrac (ENumber "3") (EIdentifier "x") , ESymbol Bin "-" , EFraction NormalFrac (EIdentifier "a") (EIdentifier "x") , ESymbol Bin "-" , EFraction NormalFrac (EIdentifier "y") (EIdentifier "x") , ESymbol Bin "-" , EFraction NormalFrac (ESub (EIdentifier "y") (ENumber "2")) (EIdentifier "x") , ESymbol Bin "-" , EFraction NormalFrac (ESub (EIdentifier "x") (ENumber "2")) (EIdentifier "x") , ESymbol Bin "-" , EFraction NormalFrac (EIdentifier "y") (ESuper (EIdentifier "x") (ENumber "2")) , ESymbol Bin "-" , EFraction NormalFrac (EIdentifier "y") (ESuper (EIdentifier "H") (ENumber "2")) ] >>> tex x - \frac{1}{3} - \frac{x}{3} - \frac{3}{x} - \frac{a}{x} - \frac{y}{x} - \frac{y_{2}}{x} - \frac{x_{2}}{x} - \frac{y}{x^{2}} - \frac{y}{H^{2}}