C

n=sqrt(1+1.151075/(1-0.007142/pow(x,2))+0.21803/(1-0.02259/pow(x,2))+0.656/(1-263/pow(x,2)))

Python

n=(1+1.151075/(1-0.007142/x**2)+0.21803/(1-0.02259/x**2)+0.656/(1-263/x**2))**.5

Fortran

n=SQRT(1+1.151075/(1-0.007142/x**2)+0.21803/(1-0.02259/x**2)+0.656/(1-263/x**2))

MATLAB

n=sqrt(1+1.151075./(1-0.007142./x.^2)+0.21803./(1-0.02259./x.^2)+0.656./(1-263./x.^2))

LaTeX

n^2-1=\frac{1.151075λ^2}{λ^2-0.007142}+\frac{0.21803λ^2}{λ^2-0.02259}+\frac{0.656λ^2}{λ^2-263}