Consider a project with the following functional units : Number of user inputs = 50 Number of user outputs = 40 Number of user enquiries = 35 Number of user files = 06 Number of external interfaces = 04 Assuming all complexity adjustment factors and weighing factors as average, the function points for the project will be
672
Average weights: inputs 4, outputs 5, enquiries 4, files 10, interfaces 7.
\(UFP = 50 \times 4 + 40 \times 5 + 35 \times 4 + 6 \times 10 + 4 \times 7 = 200 + 200 + 140 + 60 + 28 = 628\).
With all 14 adjustment factors average (3 each): \(CAF = 0.65 + 0.01 \times 42 = 1.07\).
\(FP = 628 \times 1.07 = 671.96 \approx 672\).
Check: 628 lies between 600 and 650, and a 7 percent increase brings it close to 672.
Hence, 672.
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