ReliaSoft’s Reliability ROI

R3OI

ReliaSoft's Reliability Return on Investment(RRROI or R3OI)metric was

First, traditinal Return On Investment (ROI) is a performance measure used to evaluate the efficiency of an investment or to compare the efficiency of a number of different investments. In general to calculate ROI, the benefit (return) of an investment is divided by the cost of the investment; and the result is expressed as a percentage or a ratio.

[math]\displaystyle{ ROI=\frac{Gain\,from\,Investment-Cost of Investment}{Cost of Investment} }[/math]

In this formula "gains from investment", refers to the revenue or proceeds obtained the investment of interest. Return on investment is a very popular metric because of its versatility and simplicity. That is, if an investment does not have a positive ROI, or if there are other opportunities with a higher ROI, then the investment should be not be undertaken.