Function Point Calculator

Function Types

Enter the count for each function type and complexity level:

External Inputs (EI)

Complexity	Count	Weight
Simple		3
Average		4
Complex		6

External Outputs (EO)

Complexity	Count	Weight
Simple		4
Average		5
Complex		7

External Inquiries (EQ)

Complexity	Count	Weight
Simple		3
Average		4
Complex		6

Internal Logical Files (ILF)

Complexity	Count	Weight
Simple		7
Average		10
Complex		15

External Interface Files (EIF)

Complexity	Count	Weight
Simple		5
Average		7
Complex		10

General System Characteristics

Rate each factor from 0 (no influence) to 5 (strong influence):

Factor	Influence (0-5)
Data Communications	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Distributed Data Processing	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Performance	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Heavily Used Configuration	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Transaction Rate	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
On-Line Data Entry	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
End-User Efficiency	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
On-Line Update	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Complex Processing	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Reusability	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Installation Ease	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Operational Ease	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Multiple Sites	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence
Facilitate Change	0 - No influence 1 - Incidental 2 - Moderate 3 - Average 4 - Significant 5 - Strong influence