A method for computing the index, or winding number, is developed and applied to the problem of finding zeros of functions from the plane into the plane.

In this video playlist, you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to ...

In this video series, I will show you how to combine complex numbers by either subtracting or adding them together. Complex numbers have real and imaginary components. When combining complex numbers, ...

Scientists have developed a novel protein evolution approach dubbed optovolution that uses light to guide the evolution of proteins with dynamic, multi-state, and computational functions based on ...

If you often work with data that starts life as a text file or CSV, Microsoft Excel now has new built-in tools that simplify how that information gets pulled into a spreadsheet. The update introduces ...

Introduction Children with congenital heart disease (CHD) are at risk for executive functions (EF) impairments. To date, interventions have limited effects on EF in children and adolescents with ...

Have you ever stared at a tangled web of Excel formulas, wondering if there’s a better way to make sense of it all? For many, Excel’s LAMBDA function feels like a cryptic puzzle—powerful but ...

A new suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to rewrite notions of time and evolution. In 1950 the Italian physicist Enrico ...

To a nonmathematician, having the letter "i" represent a number that does not quite exist and is "imaginary" can be hard to wrap your head around. If you open your mind to this way of thinking, ...

Random number generation is an essential feature in Excel, allowing users to perform tasks such as simulations, creating test datasets, or experimenting with spreadsheet models. Excel provides three ...