Master the process of finding the equation of a tangent line in calculus with this step-by-step tutorial. Learn how to calculate derivatives, apply the point-slope formula, and solve problems ...

Abstract: A functional feature extraction method based on rational function approximation for hyperspectral image (HSI) classification is proposed. In digital imagery, the spectral information of a ...

Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

The function keys on your keyboard are the most powerful computer tools that you're not using. We're going to fix that. Almost every computer keyboard has a row of function keys at the top, but it ...

The original version of this story appeared in Quanta Magazine. Calculus is a powerful mathematical tool. But for hundreds of years after its invention in the 17th century, it stood on a shaky ...

In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

What Are Pulmonary Function Tests (PFTs)? Pulmonary function tests (PFTs) are lung tests. They show how well your lungs work. They’re noninvasive, which means that the doctor doesn’t cut you or put ...

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

Rational emotive behavior therapy (REBT) is a therapy approach that focuses on managing irrational or unhealthy thoughts, emotions, and behaviors. In contrast to more passive talk therapy, REBT ...

Imagine you’re stuck in traffic on your way to an important meeting. Time is ticking, and frustration bubbles up. Many of us might spiral into negativity, convinced the day is ruined. But what if you ...