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Design review checklist in PCB Design - Cell-by-Cell Formula Trace

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Sample Data

This data represents a PCB design review checklist with items, their status, and comments.

CellValue
A1Checklist Item
B1Status
C1Comments
A2Schematic completeness
B2Complete
C2All components placed
A3Component values verified
B3Pending
C3Check resistor values
A4Footprint correctness
B4Complete
C4Verified with datasheets
A5Routing review
B5In Progress
C5Check critical nets
A6DRC errors
B6None
C6No violations found
A7Power integrity
B7Complete
C7Decoupling capacitors placed
A8Thermal considerations
B8Pending
C8Check heat dissipation
A9Final approval
B9Pending
C9
Formula Trace
=COUNTIF(B2:B9, "Complete")
Step 1: B2:B9 values = ["Complete", "Pending", "Complete", "In Progress", "None", "Complete", "Pending", "Pending"]
Step 2: COUNTIF(B2:B9, "Complete") counts how many times "Complete" appears
Cell Reference Map
    A           B           C
1 | Checklist | Status    | Comments
2 | Schematic completeness | Complete  | All components placed
3 | Component values verified | Pending   | Check resistor values
4 | Footprint correctness | Complete  | Verified with datasheets
5 | Routing review   | In Progress  | Check critical nets
6 | DRC errors       | None      | No violations found
7 | Power integrity  | Complete  | Decoupling capacitors placed
8 | Thermal considerations | Pending   | Check heat dissipation
9 | Final approval   | Pending   | 

Formula references B2 to B9 highlighted
The formula counts how many cells in the Status column (B2:B9) have the value "Complete".
Result
    A           B           C
1 | Checklist Item | Status    | Comments
2 | Schematic completeness | Complete  | All components placed
3 | Component values verified | Pending   | Check resistor values
4 | Footprint correctness | Complete  | Verified with datasheets
5 | Routing review   | In Progress  | Check critical nets
6 | DRC errors       | None      | No violations found
7 | Power integrity  | Complete  | Decoupling capacitors placed
8 | Thermal considerations | Pending   | Check heat dissipation
9 | Final approval   | Pending   | 

Result cell D1: 3
The formula result is 3, showing there are three checklist items marked as "Complete" in the status column.
Sheet Trace Quiz - 3 Questions
Test your understanding
How many checklist items are marked as "Complete"?
A4
B2
C3
D5
Key Result
COUNTIF(range, criteria) counts how many cells in the range meet the criteria.