C

n=sqrt(3.122744-0.015173059*pow(x,2)+0.025766499*pow(x,-2)+0.00055121032*pow(x,-4)+6.0710815e-06*pow(x,-6)+4.8871364e-07*pow(x,-8))

Python

n=(3.122744-0.015173059*x**2+0.025766499*x**-2+0.00055121032*x**-4+6.0710815e-06*x**-6+4.8871364e-07*x**-8)**.5

Fortran

n=SQRT(3.122744-0.015173059*x**2+0.025766499*x**-2+0.00055121032*x**-4+6.0710815e-06*x**-6+4.8871364e-07*x**-8)

MATLAB

n=sqrt(3.122744-0.015173059.*x.^2+0.025766499.*x.^-2+0.00055121032.*x.^-4+6.0710815e-06.*x.^-6+4.8871364e-07.*x.^-8)

LaTeX

n^2=3.122744-0.015173059λ^{2}+0.025766499λ^{-2}+0.00055121032λ^{-4}+6.0710815\text{×}10^{-06}λ^{-6}+4.8871364\text{×}10^{-07}λ^{-8}