Blaise Pascal independently rediscovered classical geometry at the age of 12 despite a ban on formal maths studies. His early ...

The age you sign up for Social Security will dictate how much your monthly benefits are worth. When running the numbers, don't just look at monthly income. It's also important to focus on lifetime ...

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 ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Thomas J. Brock is a CFA and CPA with more than 20 years of ...

Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...

Hand planes often fall into the category of essential woodworking tools under $100. They come in a variety of designs, shapes, and sizes, with the popular versions divided loosely into bench planes ...

‌Black triangles between your teeth are also known as “open gingival embrasures.” These gaps are the result of your gum tissue not completely filling the space between your teeth. Some gaps can be ...

Calculate unrealized gains by subtracting original investment cost from current value. Include trading commissions in cost basis for precise tax-related calculations. Monitor unrealized gains/losses ...

Solvej Balle’s “On the Calculation of Volume” rethinks the familiar story of the endlessly repeating day. By Hilary Leichter Hilary Leichter is the author of the novels “Temporary” and “Terrace Story.

Abstract: This paper explores the use of speed harmonic for accurate and fast maximum-torque-per-ampere (MTPA) control of interior permanent magnet synchronous machines (IPMSMs). A novel MTPA angle ...