C

n=sqrt(2.3753+0.01224/(pow(x,2)-0.01667)-0.01627*pow(x,2)+0.0005716*pow(x,4)-0.00006305*pow(x,6))

Python

n=(2.3753+0.01224/(x**2-0.01667)-0.01627*x**2+0.0005716*x**4-0.00006305*x**6)**.5

Fortran

n=SQRT(2.3753+0.01224/(x**2-0.01667)-0.01627*x**2+0.0005716*x**4-0.00006305*x**6)

MATLAB

n=sqrt(2.3753+0.01224./(x.^2-0.01667)-0.01627.*x.^2+0.0005716.*x.^4-0.00006305.*x.^6)

LaTeX

n^2=2.3753+\frac{0.01224}{λ^2-0.01667}-0.01627λ^{2}+0.0005716λ^{4}-0.00006305λ^{6}