C

n=sqrt(1+1.52780829/(1-0.0114135883/pow(x,2))+0.232776367/(1-0.0559068566/pow(x,2))+1.71638781/(1-171.5118/pow(x,2)))

Python

n=(1+1.52780829/(1-0.0114135883/x**2)+0.232776367/(1-0.0559068566/x**2)+1.71638781/(1-171.5118/x**2))**.5

Fortran

n=SQRT(1+1.52780829/(1-0.0114135883/x**2)+0.232776367/(1-0.0559068566/x**2)+1.71638781/(1-171.5118/x**2))

MATLAB

n=sqrt(1+1.52780829./(1-0.0114135883./x.^2)+0.232776367./(1-0.0559068566./x.^2)+1.71638781./(1-171.5118./x.^2))

LaTeX

n^2-1=\frac{1.52780829λ^2}{λ^2-0.0114135883}+\frac{0.232776367λ^2}{λ^2-0.0559068566}+\frac{1.71638781λ^2}{λ^2-171.5118}