C

n=sqrt(2.7644388-0.011785176*pow(x,2)+0.017957173*pow(x,-2)+0.00034733134*pow(x,-4)+3.6439617e-06*pow(x,-6)-3.286378e-07*pow(x,-8))

Python

n=(2.7644388-0.011785176*x**2+0.017957173*x**-2+0.00034733134*x**-4+3.6439617e-06*x**-6-3.286378e-07*x**-8)**.5

Fortran

n=SQRT(2.7644388-0.011785176*x**2+0.017957173*x**-2+0.00034733134*x**-4+3.6439617e-06*x**-6-3.286378e-07*x**-8)

MATLAB

n=sqrt(2.7644388-0.011785176.*x.^2+0.017957173.*x.^-2+0.00034733134.*x.^-4+3.6439617e-06.*x.^-6-3.286378e-07.*x.^-8)

LaTeX

n^2=2.7644388-0.011785176λ^{2}+0.017957173λ^{-2}+0.00034733134λ^{-4}+3.6439617\text{×}10^{-06}λ^{-6}-3.286378\text{×}10^{-07}λ^{-8}