In this video I work through 129 examples of evaluating trigonometric expressions. We will evaluate the sine, cosine, and ...

Description: Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter and ...

More than a century before quantum mechanics was born, Irish mathematician William Rowan Hamilton stumbled onto an idea that would quietly foreshadow one of the deepest truths in physics. While ...

PDFs with accessible mathematics have reached a practical turning point. For the first time, complex equations embedded in PDF documents can be navigated, spoken, and rendered in braille by assistive ...

Brainteasers are known as entertainment sources but apart from being a leisure activity, they also serve many benefits. For example, math puzzles help in improving cognitive skills which further ...

sdec(x) Signed decimal part of a number sdec(expression) ceil(x) Ceil: Get the lowest nearest integer. Example: Numbers from 6.0 to 6.999... give 6. ceil(expression ...

Michael W. Green did some math recently. For a family of four to afford housing, health care, child care and other necessities, he calculated that they would need at least $136,500 a year. The U.S.

The New York State Education Department is pushing new math guidelines, including a recommendation that teachers stop giving timed quizzes — because it stresses students out. The new guidelines also ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

With nearly two decades of retail management and project management experience, Brett Day can simplify complex traditional and Agile project management philosophies and methodologies and can explain ...

THE London Mathematical Society has recently issued a pamphlet (“Notes on the Preparation of Mathematical Papers.” Pp. 19. London; C. F. Hodgson and Son, Ltd. 1s.) of suggestions to authors and others ...