C

n=sqrt(5.1792+0.23504/(pow(x,2)-0.083591)+0.036927/(pow(x,2)-0.23504))

Python

n=(5.1792+0.23504/(x**2-0.083591)+0.036927/(x**2-0.23504))**.5

Fortran

n=SQRT(5.1792+0.23504/(x**2-0.083591)+0.036927/(x**2-0.23504))

MATLAB

n=sqrt(5.1792+0.23504./(x.^2-0.083591)+0.036927./(x.^2-0.23504))

LaTeX

n^2=5.1792+\frac{0.23504}{λ^2-0.083591}+\frac{0.036927}{λ^2-0.23504}