Earlier on this blog I’ve written about the misuse of the term “exponential” when it is used to describe explosive increase in a particular number. My suspicion is that this misuse of the word “exponential” comes from Computer Science and complexity theory – where the hardest problems to crack are those which require time/space that…

## Exponential increase

“Increasing exponentially” is a common phrase used by analysts and commentators to describe a certain kind of growth. However, more often than not, this phrase is misused and any fast growth is termed as “exponential”. If f(x) is a function of x, f(x) is said to be exponential if and only if it can be…