C

n=sqrt(2.7609221-0.011601354*pow(x,2)+0.029309701*pow(x,-2)+0.0012957192*pow(x,-4)-3.6971081e-05*pow(x,-6)+9.8723481e-06*pow(x,-8))

Python

n=(2.7609221-0.011601354*x**2+0.029309701*x**-2+0.0012957192*x**-4-3.6971081e-05*x**-6+9.8723481e-06*x**-8)**.5

Fortran

n=SQRT(2.7609221-0.011601354*x**2+0.029309701*x**-2+0.0012957192*x**-4-3.6971081e-05*x**-6+9.8723481e-06*x**-8)

MATLAB

n=sqrt(2.7609221-0.011601354.*x.^2+0.029309701.*x.^-2+0.0012957192.*x.^-4-3.6971081e-05.*x.^-6+9.8723481e-06.*x.^-8)

LaTeX

n^2=2.7609221-0.011601354λ^{2}+0.029309701λ^{-2}+0.0012957192λ^{-4}-3.6971081\text{×}10^{-05}λ^{-6}+9.8723481\text{×}10^{-06}λ^{-8}