C

n=sqrt(1+1.28834642/(1-0.00779980626/pow(x,2))+0.132817724/(1-0.0315631177/pow(x,2))+0.945395373/(1-105.965875/pow(x,2)))

Python

n=(1+1.28834642/(1-0.00779980626/x**2)+0.132817724/(1-0.0315631177/x**2)+0.945395373/(1-105.965875/x**2))**.5

Fortran

n=SQRT(1+1.28834642/(1-0.00779980626/x**2)+0.132817724/(1-0.0315631177/x**2)+0.945395373/(1-105.965875/x**2))

MATLAB

n=sqrt(1+1.28834642./(1-0.00779980626./x.^2)+0.132817724./(1-0.0315631177./x.^2)+0.945395373./(1-105.965875./x.^2))

LaTeX

n^2-1=\frac{1.28834642λ^2}{λ^2-0.00779980626}+\frac{0.132817724λ^2}{λ^2-0.0315631177}+\frac{0.945395373λ^2}{λ^2-105.965875}