W hen writing formulas in Excel, SUM and VLOOKUP are staples for beginners. But since Excel has over 400 functions, it's helpful to know more of the extremely useful ones, especially when looking to ...

It creates a reusable function that takes three inputs: actual sales, sales quota, and a weighting factor. It returns a weighted performance score by dividing sales by quota and multiplying by the ...

HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

Seek Early Experience: Don’t wait until you feel like an expert to look for internships or entry-level roles. Getting some ...