To calculate the standard deviation of those numbers: 1  1. 2  Work out the Mean (the simple average of the numbers). 3  2. Then for each number: subtract the Mean and square the result.4  3. Then work out the mean of those squared differences.5  4. Take the square root of that and we are done!o calculate the standard deviation of those numbers: 1  1. 2  Work out the Mean (the simple average of the numbers). 3  2. Then for each number: subtract the Mean and square the result.
FBF = Flashback Friday. #FBF is an acronym primarily used on Instagram, Facebook, Twitter, and Tumblr that stands for Flashback Friday. Users typically use the tag on photos of moments in their past, like last yearâs vacation or a childhood friend.
Rule #1: Cash is King. If you remember one thing from Accounting 101, it should be: Cash is King. A company needs cash to make, market, or distribute its products. Thatâs why itâs important to understand the concept of Free Cash Flow or âFCFâ.FCF represents the flow of cash coming IN to a business net of the cash going OUT. In more technical terms, FCF is NOPAT minus this yearâs increase (or decrease) in Invested Capital.ree Cash Flow is an important tool, but the level of FCF can be deceiving. A high FCF could mean that a company is incredibly profitable or that it has limited growth opportunities (i.e. limited investments for cash).