Today I learned that Excel incorrectly assumes 1900 was a leap year, and Microsoft won't fix it because the whole house of ...
ChatGPT can assist with complex Excel formulas, including a VLOOKUP plus IFERROR to return not listed when no match appears.
In 2026, data analysis roles still depend heavily on two practical tools: Excel for cleaning, checking, and working through business data, and Tableau for turning that data into dashboards people ...