C

n=sqrt(1+1.71014712/(1-0.010516108/pow(x,2))+0.256943292/(1-0.0502809636/pow(x,2))+1.63986271/(1-146.181217/pow(x,2)))

Python

n=(1+1.71014712/(1-0.010516108/x**2)+0.256943292/(1-0.0502809636/x**2)+1.63986271/(1-146.181217/x**2))**.5

Fortran

n=SQRT(1+1.71014712/(1-0.010516108/x**2)+0.256943292/(1-0.0502809636/x**2)+1.63986271/(1-146.181217/x**2))

MATLAB

n=sqrt(1+1.71014712./(1-0.010516108./x.^2)+0.256943292./(1-0.0502809636./x.^2)+1.63986271./(1-146.181217./x.^2))

LaTeX

n^2-1=\frac{1.71014712λ^2}{λ^2-0.010516108}+\frac{0.256943292λ^2}{λ^2-0.0502809636}+\frac{1.63986271λ^2}{λ^2-146.181217}