A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working ...

The Stoic emphasis on rational control obscures a key insight: different problems need different solutions. The Greeks knew courage, moderation, and reason were distinct.

Quantum devices that measure Earth's magnetic fields could help replace GPS—if researchers can figure out how to tell when such devices are working well, or even at all. A Pentagon contract suggests ...

1 School of Arts and Educational Sciences, Middle East University, Amman, Jordan 2 Curriculum and Instruction Department, Yarmouk University, Irbid, Jordan Introduction: The flipped classroom strategy ...

Polynomial equations are a cornerstone of modern science, providing a mathematical basis for celestial mechanics, computer graphics, market growth predictions and much more. But although most high ...

Have you ever found yourself wrestling with Excel, wishing it could just do *that one thing* to make your work easier? Maybe you’ve spent hours manually replacing text, trying to filter data with ...

In this paper, we define some new product types of rational contractions for single‐valued mappings in generalized metric spaces. We prove the uniqueness of fixed point (FP) and common fixed point ...

The University at Buffalo requires a Math Readiness Assessment (MRA) to determine readiness for students wishing to enroll in first semester calculus courses, MTH 121, MTH 131, and MTH 141. The UB MRA ...

I once had a colleague who always seemed unshakable, as if nothing could ever bring her down whatever happens. We were peers but she had a managerial instinct for solving problems and tackling ...

The COUNTIFS function in Excel is a powerful and versatile tool for counting cells based on multiple criteria. It offers a significant advantage over the COUNTIF function, which is limited to handling ...