A guide with examples for learning this key idea in options trading Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it may seem like geometry and trigonometry were created by the Greeks as a form ...

One of the easiest ways to save a webpage is to save it as a PDF. Converting a webpage into PDF makes important documents immediately accessible, like receipts or any page that you may not be able to ...

34 Share or save for quick reference. You know what’s fun? Sharpening pencils, organizing a million glue sticks, and trying to explain to a five-year-old why they can’t cut their own bangs during ...

280 Share or save for quick reference. Hey there! Ready for some holiday laughs? This ugly sweater printable activity is perfect for sparking creativity (and maybe some giggles). Kids can pick their ...

What began as a bonus question in a high school math contest has resulted in a staggering 10 new ways to prove the ancient mathematical rule of Pythagoras' theorem. "There are no trigonometric proofs ...

In their peer-reviewed work, Calcea Johnson and Ne'Kiya Jackson present five new ways of proving Pythagoras' Theorem via trigonometry. They also detail a new method for finding proofs that yield at ...

Ne’Kiya Jackson and Calcea Johnson from Louisiana blew the math community away when they presented a solution to the Pythagorean theorem using trigonometry, an impossible feat for 2,000 years. They ...

An especially lengthy PDF document -- or one containing multiple ideas -- can be a challenge to navigate, especially when distributing and reviewing it with a large audience. Bookmarks -- which act as ...

In the age of information overload, it can be troublesome to go through painstakingly long PDFs or when time is of the essence. With the ever-growing state of LLMs, skimming through a PDF has been ...

Consider lunch. Perhaps a nice ham sandwich. A knife should neatly halve the ham and two bread slices. But what if you slip? Oops—the ham now rests folded under a ...