An Approach for Integrating the Prioritization of Functional and Nonfunctional Requirements

Table 2

IPA nominal scale and IPA actual scale.

IPA nominal scale	IPA actual scale
Very high importance (VHI)	1
High importance (HI)	0.75
Low importance (LI)	0.5
Very low importance (VLI)	0.25
No importance (NI)	0.001