Finding the exact difference between two dates in Excel may not be the most used feature, but it can be a lot of fun. A classic example is working out someone’s age. It’s not as complicated as it ...

A TechRepublic member wrote for advice on calculating the years, months, and days elapsed between two dates. This tutorial explains the solution provided by TechRepublic contributor Jeff Davis. A ...

Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for calculating fluctuations, depending on whether ...

Percentage Formula: Percentages are a fundamental concept in maths, used frequently in daily life. It represents parts of a whole as fractions of 100. They're symbolised by the "%" symbol.

Excel percentage formulas can get you through problems large and small every day—from determining sales tax (and tips) to calculating increases and decreases. We’ll walk through several examples below ...