Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Calculate Soybean Populations with the Hula Hoop Method While you might think of hula hoops as a game for children they’ve found a new use—helping farmers calculate soybean populations. With no need ...

A lot of runners approach hills like this: Go up, lean forward, slow cadence, and take longer strides in an attempt to “grind ...

If you're looking for investors or want to sell your business, you must determine its value. Follow these four steps to calculate it. Most entrepreneurs put their hearts into their businesses; but, ...

The CBD creams we’ve found to be most effective for pain relief tend to contain other ingredients that create a cooling sensation. It’s hard to say which ingredient is offering the bulk of the pain ...

Cognitive behavioral therapy (CBT) is a form of psychotherapy that focuses on modifying dysfunctional emotions, behaviors, and thoughts by interrogating and uprooting negative or irrational beliefs.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Aim to replace 80% of your pre-retirement income to maintain lifestyle post-retirement. Factor in income from Social Security and pensions, not just savings, for retirement funds. Use the 4% rule to ...

NPV calculates profitability using all projected cash inflows and outflows, considering time value of money. A positive NPV suggests a profitable project; a negative NPV suggests a loss. NPV's ...

1 State Key Laboratory of Thorium Energy, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China 2 University of Chinese Academy of Sciences, Beijing, China Introduction: ...

Background: Depression significantly impairs adolescent mental health and adaptation, a critical issue for freshmen. Although depression and perceived social support (PSS) are known to be associated, ...