C

n=sqrt(2.9793916-0.011878549*pow(x,2)+0.03964328*pow(x,-2)+0.0014928665*pow(x,-4)+1.9358213e-05*pow(x,-6)+1.2712921e-05*pow(x,-8))

Python

n=(2.9793916-0.011878549*x**2+0.03964328*x**-2+0.0014928665*x**-4+1.9358213e-05*x**-6+1.2712921e-05*x**-8)**.5

Fortran

n=SQRT(2.9793916-0.011878549*x**2+0.03964328*x**-2+0.0014928665*x**-4+1.9358213e-05*x**-6+1.2712921e-05*x**-8)

MATLAB

n=sqrt(2.9793916-0.011878549.*x.^2+0.03964328.*x.^-2+0.0014928665.*x.^-4+1.9358213e-05.*x.^-6+1.2712921e-05.*x.^-8)

LaTeX

n^2=2.9793916-0.011878549λ^{2}+0.03964328λ^{-2}+0.0014928665λ^{-4}+1.9358213\text{×}10^{-05}λ^{-6}+1.2712921\text{×}10^{-05}λ^{-8}