C

n=sqrt(1+3.0984+2.1419/(1-0.1225/pow(x,2))+1.5755/(1-738.43/pow(x,2)))

Python

n=(1+3.0984+2.1419/(1-0.1225/x**2)+1.5755/(1-738.43/x**2))**.5

Fortran

n=SQRT(1+3.0984+2.1419/(1-0.1225/x**2)+1.5755/(1-738.43/x**2))

MATLAB

n=sqrt(1+3.0984+2.1419./(1-0.1225./x.^2)+1.5755./(1-738.43./x.^2))

LaTeX

n^2-1=3.0984+\frac{2.1419λ^2}{λ^2-0.1225}+\frac{1.5755λ^2}{λ^2-738.43}