<<< tex \mathbf{C}(n,k) = \mathbf{C}_k^n = {}_n\mathbf{C}_k = \binom{n}{k} = \frac{n!}{k!\,(n -k)!} >>> native [ EStyled TextNormal [ EStyled TextBold [ EIdentifier "C" ] ] , ESymbol Open "(" , EIdentifier "n" , ESymbol Pun "," , EIdentifier "k" , ESymbol Close ")" , ESymbol Rel "=" , ESubsup (EStyled TextNormal [ EStyled TextBold [ EIdentifier "C" ] ]) (EIdentifier "k") (EIdentifier "n") , ESymbol Rel "=" , ESub (EGrouped []) (EIdentifier "n") , ESub (EStyled TextNormal [ EStyled TextBold [ EIdentifier "C" ] ]) (EIdentifier "k") , ESymbol Rel "=" , EDelimited "(" ")" [ Right (EFraction NoLineFrac (EIdentifier "n") (EIdentifier "k")) ] , ESymbol Rel "=" , EFraction NormalFrac (EGrouped [ EIdentifier "n" , ESymbol Ord "!" ]) (EGrouped [ EIdentifier "k" , ESymbol Ord "!" , ESpace (1 % 6) , ESymbol Open "(" , EIdentifier "n" , ESymbol Bin "\8722" , EIdentifier "k" , ESymbol Close ")" , ESymbol Ord "!" ]) ]