תשואה ריאלית | Real Return

Description:
172,000 goes in, 284,625 comes out twelve years later. What return is that?

The final sum over the starting sum, to the power of one over the period: 4.28% a year. Read monthly - 144 periods instead of 12 - it is 0.35%. And where the formula comes from: isolating r out of FV = PV(1+r)^n.

Hebrew narration, English on-screen presentation.