Mathematicians are still trying to understand fundamental properties of the Fourier transform, one of their most ubiquitous and powerful tools. A new result marks an exciting advance toward that goal.

Learn how to find electric current in all branches with this beginner-friendly circuit analysis tutorial! In this step-by-step video, we break down the concepts, techniques, and calculations needed to ...

Using concepts students are already familiar with — like how bottles vibrate — can serve as a helpful anchor for more complex topics.

THE manner in which this book has been written enables any one of the subjects mentioned in the title to studied alone ; but there are sufficient cross-referenced to indicate the relationships between ...

Robert Stammer, CFA, is the former director of investor engagement at CFA Institute and writes on thought leadership in the investment management industry. Charlene Rhinehart is a CPA , CFE, chair of ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Toby Walters is a financial writer, investor ...

Systems analysis is the study of a complex system’s interacting parts, while keeping a eye on their function in the integrated whole. Systems analysis is often called upon to evaluate the safety of ...

Audience analysis is the assessment and identification of interests, attitudes, preferences, behaviors, demographics, needs, and other data points of a particular group. In a business setting, ...

Conjoint analysis is a technique that allows managers to analyze how customers make trade-offs. It can be used to understand how customers make trade-offs in benefits (and thereby can be used to ...

Applied Behavior Analysis (ABA) looks different for every child, with a unique set of goals. (Photo Credit: E+/Getty Images) ABA is a type of interpersonal therapy. Your child usually works with a ...

Bitcoin and altcoins lost part of their recent gains after the US trade war with various European countries resumed, prompting some traders to reduce risk and watch from the sidelines.