Rafael Domingues

Financial modeling consultant based in Sao Paulo, working with mid-market PE-backed companies on forecasting and reporting. Former McKinsey associate in the Buenos Aires office, where he built Excel models that had to survive partners tearing them apart. Certified Excel MVP since 2022; he writes about formulas the way a chef writes about knife technique — short, precise, no fluff.

2 articles by Rafael Domingues.

• AI formula generator
• Excel formulas
• Spreadsheet tutorials
• Data analysis basics

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  Cyclomatic Complexity: What It Is and How to Fix It

  August 27, 2026

  Every if statement adds a path. Cyclomatic complexity counts them. Here is how to calculate the score, what the thresholds mean, and how to refactor your way back to sanity.

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  Build an Objective Summary Formula in Excel or Sheets

  July 25, 2026

  One formula writes the objective summary for you: totals, counts and a last-updated date, pulled live from your Excel or Sheets data every time it changes.