C

n=sqrt(2.96739544-0.0118139418*pow(x,2)-0.000133628078*pow(x,4)+0.0310749099*pow(x,-2)+0.000654571893*pow(x,-4)+9.85567905e-05*pow(x,-6)-8.8311254e-06*pow(x,-8)+8.38843732e-07*pow(x,-10))

Python

n=(2.96739544-0.0118139418*x**2-0.000133628078*x**4+0.0310749099*x**-2+0.000654571893*x**-4+9.85567905e-05*x**-6-8.8311254e-06*x**-8+8.38843732e-07*x**-10)**.5

Fortran

n=SQRT(2.96739544-0.0118139418*x**2-0.000133628078*x**4+0.0310749099*x**-2+0.000654571893*x**-4+9.85567905e-05*x**-6-8.8311254e-06*x**-8+8.38843732e-07*x**-10)

MATLAB

n=sqrt(2.96739544-0.0118139418.*x.^2-0.000133628078.*x.^4+0.0310749099.*x.^-2+0.000654571893.*x.^-4+9.85567905e-05.*x.^-6-8.8311254e-06.*x.^-8+8.38843732e-07.*x.^-10)

LaTeX

n^2=2.96739544-0.0118139418λ^{2}-0.000133628078λ^{4}+0.0310749099λ^{-2}+0.000654571893λ^{-4}+9.85567905\text{×}10^{-05}λ^{-6}-8.8311254\text{×}10^{-06}λ^{-8}+8.38843732\text{×}10^{-07}λ^{-10}