How much of your income can your retirement savings replace? It's a simple yet important question. It can also make your head spin and long for the days of pension plans. Yet there is an easy way to ...

Evan Shellshear is head of analytics at Biarri, a mathematical and predictive modelling company. This article was co-authored by Brendan Markey-Towler, previously a lecturer and research fellow at The ...

Calculating profit as a percentage of sales is most often discussed as a simple profit margin. The margin differs on the gross and net figures but the calculation is widely used and standardized. The ...

Even if math wasn't your strongest subject back in school, don't shy away from this simple calculation that can save your life! Daily step count is given all the importance. Special smartwatches are ...

Often, without realizing it, we are subliminally conditioned to filter good events through a cynical lens of expectation. We have quietly adopted a new, unspoken calculus in deciding how grateful we ...

NEW YORK, April 2: Many people use smartwatches to track their cardiovascular health, often by counting daily steps or monitoring their average heart rate. Researchers, however, are now proposing an ...

Andrew Beattie was part of the original editorial team at Investopedia and has spent twenty years writing on a diverse range of financial topics including business, investing, personal finance, and ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive and professor for 34 ...

Settle-out calculations in natural gas systems need to be sufficiently rigorous accurately to predict settle-out under various operating conditions without being so conservative as to increase costs.

A new mathematical formula predicts the ratio of particular molecules in the atmospheres of far-off planets, letting researchers more easily tell when something unusual is happening there. The new ...