C

n=sqrt(4.8353+0.12808/(pow(x,2)-0.05674)-0.02528*pow(x,2)+1.8590e-6*pow(x,4)-1.0689e-6*pow(x,6))

Python

n=(4.8353+0.12808/(x**2-0.05674)-0.02528*x**2+1.8590e-6*x**4-1.0689e-6*x**6)**.5

Fortran

n=SQRT(4.8353+0.12808/(x**2-0.05674)-0.02528*x**2+1.8590e-6*x**4-1.0689e-6*x**6)

MATLAB

n=sqrt(4.8353+0.12808./(x.^2-0.05674)-0.02528.*x.^2+1.8590e-6.*x.^4-1.0689e-6.*x.^6)

LaTeX

n^2=4.8353+\frac{0.12808}{λ^2-0.05674}-0.02528λ^{2}+1.8590\text{×}10^{-6}λ^{4}-1.0689\text{×}10^{-6}λ^{6}