C

n=sqrt(1+0.28851804+1.09509924/(1-1.02101864e-2/pow(x,2))+1.15662475/(1-100/pow(x,2)))

Python

n=(1+0.28851804+1.09509924/(1-1.02101864e-2/x**2)+1.15662475/(1-100/x**2))**.5

Fortran

n=SQRT(1+0.28851804+1.09509924/(1-1.02101864e-2/x**2)+1.15662475/(1-100/x**2))

MATLAB

n=sqrt(1+0.28851804+1.09509924./(1-1.02101864e-2./x.^2)+1.15662475./(1-100./x.^2))

LaTeX

n^2-1=0.28851804+\frac{1.09509924λ^2}{λ^2-1.02101864\text{×}10^{-2}}+\frac{1.15662475λ^2}{λ^2-100}