User:Baldvin
Appearance
H = Heild
A = Álagning
F = Framlegð
K = Kostnaðarverð
Failed to parse (syntax error): {\displaystyle H = (1 + A) \cdot K \\ F = \frac{A}{H} \\ F = \frac{A}{(1 + A) \cdot H} = H \cdot \frac{A}{1 + A} = H \cdot \frac{1}{1 + \frac{1}{A}} }