Excel handles numbers beautifully, but it's frustratingly picky about text. When you treat cells like a Word doc, like manually typing units or ignoring hidden spaces, you're onto a loser. Here's how ...

Amal Jayasinghe Sri Lanka faced its worst air disaster over 50 years ago when all 191 passengers and crew of a Martinair flight were killed. The island was then confronted with the grim task of ...