C

n=sqrt(3.070806-0.012276924*pow(x,2)+0.02456566*pow(x,-2)+0.00047436648*pow(x,-4)+5.432616e-07*pow(x,-6)+6.5976661e-07*pow(x,-8))

Python

n=(3.070806-0.012276924*x**2+0.02456566*x**-2+0.00047436648*x**-4+5.432616e-07*x**-6+6.5976661e-07*x**-8)**.5

Fortran

n=SQRT(3.070806-0.012276924*x**2+0.02456566*x**-2+0.00047436648*x**-4+5.432616e-07*x**-6+6.5976661e-07*x**-8)

MATLAB

n=sqrt(3.070806-0.012276924.*x.^2+0.02456566.*x.^-2+0.00047436648.*x.^-4+5.432616e-07.*x.^-6+6.5976661e-07.*x.^-8)

LaTeX

n^2=3.070806-0.012276924λ^{2}+0.02456566λ^{-2}+0.00047436648λ^{-4}+5.432616\text{×}10^{-07}λ^{-6}+6.5976661\text{×}10^{-07}λ^{-8}