C

n=sqrt(2.53088-0.01045574*pow(x,2)+0.01393304*pow(x,-2)+0.0003172572*pow(x,-4)-1.649761e-05*pow(x,-6)+1.121198e-06*pow(x,-8))

Python

n=(2.53088-0.01045574*x**2+0.01393304*x**-2+0.0003172572*x**-4-1.649761e-05*x**-6+1.121198e-06*x**-8)**.5

Fortran

n=SQRT(2.53088-0.01045574*x**2+0.01393304*x**-2+0.0003172572*x**-4-1.649761e-05*x**-6+1.121198e-06*x**-8)

MATLAB

n=sqrt(2.53088-0.01045574.*x.^2+0.01393304.*x.^-2+0.0003172572.*x.^-4-1.649761e-05.*x.^-6+1.121198e-06.*x.^-8)

LaTeX

n^2=2.53088-0.01045574λ^{2}+0.01393304λ^{-2}+0.0003172572λ^{-4}-1.649761\text{×}10^{-05}λ^{-6}+1.121198\text{×}10^{-06}λ^{-8}