C

n=sqrt(1+2.8045/(1-pow(0.1542/x,2))+1.0055/(1-pow(10.522/x,2)))

Python

n=(1+2.8045/(1-(0.1542/x)**2)+1.0055/(1-(10.522/x)**2))**.5

Fortran

n=SQRT(1+2.8045/(1-(0.1542/x)**2)+1.0055/(1-(10.522/x)**2))

MATLAB

n=sqrt(1+2.8045./(1-(0.1542./x).^2)+1.0055./(1-(10.522./x).^2))

LaTeX

n^2-1=\frac{2.8045λ^2}{λ^2-0.1542^2}+\frac{1.0055λ^2}{λ^2-10.522^2}