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Function point estimate
Estimate size, effort and cost from function points, as used in many software proposals and tenders.
Delivery & developer experienceHow it's worked out
- UFP = 4 EI + 5 EO + 4 EQ + 10 ILF + 7 EIF (average weights). FP = UFP × (0.65 + 0.01 × TDI)
- 160 hours a person-month
NoteUses average complexity weights. Productivity varies widely with technology and team; calibrate hours per function point from your own completed projects.
Source: IFPUG Counting Practices Manual (ISO/IEC 20926)
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