C

n=sqrt(1+1.29471773/(1-0.00986579479/pow(x,2))+0.108880981/(1-0.0477568828/pow(x,2))+0.220322964/(1-28.8509863/pow(x,2)))

Python

n=(1+1.29471773/(1-0.00986579479/x**2)+0.108880981/(1-0.0477568828/x**2)+0.220322964/(1-28.8509863/x**2))**.5

Fortran

n=SQRT(1+1.29471773/(1-0.00986579479/x**2)+0.108880981/(1-0.0477568828/x**2)+0.220322964/(1-28.8509863/x**2))

MATLAB

n=sqrt(1+1.29471773./(1-0.00986579479./x.^2)+0.108880981./(1-0.0477568828./x.^2)+0.220322964./(1-28.8509863./x.^2))

LaTeX

n^2-1=\frac{1.29471773λ^2}{λ^2-0.00986579479}+\frac{0.108880981λ^2}{λ^2-0.0477568828}+\frac{0.220322964λ^2}{λ^2-28.8509863}