Scrambling jets is fast, loud, and expensive. This piece shows the math behind a scramble: fighter hours set the floor, ...

The SUMIFS function works in a similar way with text as with numbers, but there are two key differences. First, text in Excel ...

Digital photography has become so sharp and flawless that sometimes we crave the opposite. This is where the old-style ...

"Basic survival skills. This doesn’t only relate to getting lost in the wilderness, but also to what to do in case of fire, ...

The TOCOL and TOROW functions are just two ways to rearrange data in Microsoft Excel. For example, you can flip the rows and ...