C

n=sqrt(1+1.0792+6.0840/(1-pow(0.2822/x,2))+1.900/(1-pow(27.62/x,2)))

Python

n=(1+1.0792+6.0840/(1-(0.2822/x)**2)+1.900/(1-(27.62/x)**2))**.5

Fortran

n=SQRT(1+1.0792+6.0840/(1-(0.2822/x)**2)+1.900/(1-(27.62/x)**2))

MATLAB

n=sqrt(1+1.0792+6.0840./(1-(0.2822./x).^2)+1.900./(1-(27.62./x).^2))

LaTeX

n^2-1=1.0792+\frac{6.0840λ^2}{λ^2-0.2822^2}+\frac{1.900λ^2}{λ^2-27.62^2}