Researchers at the National Institute of Standards and Technology (NIST) have developed a new mathematical formula to calculate the concentration of particles suspended in a solution. The new approach ...

While most investors would likely believe that it's tougher to uncover relative value in deeply discounted closed-end funds, in my opinion the hardest part of managing a CEF portfolio is knowing when ...

Workspace Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Journal of Marketing Vol. 12, No. 4, Apr., 1948 A Formula for Measuring Productivity in ...

In a KPI-driven corporate environment, return on investment is a central preoccupation. Yet this remains challenging to measure – particularly when it comes to brand protection Register for free to ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...

If you’re looking to add a useful life skill to your metaphorical tool kit, consider learning how to calculate square footage. There are countless situations when calculating how many square feet are ...

To find an investment's interest rate, substitute price, face value, and duration into a formula. For T-bills, subtract purchase price from face value, divide by face value, adjust for term. Online ...