The best AI chatbots of 2026: I tested ChatGPT, Copilot, and others to find the top tools around

I pushed eight free AI chatbots to their limits to find the best AI chatbots of 2026. To explore our top picks, check out ZDNET's chatbot-by-chatbot guide.
Visual Studio Magazine

Linear Regression with Pseudo-Inverse Training Using JavaScript

Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with pseudo-inverse training implemented using JavaScript. Compared to other training techniques, such as ...
Geeky Gadgets

Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

What if you could transform hours of tedious spreadsheet work into just minutes of streamlined efficiency? Simon Sez IT takes a closer look at how Excel’s most powerful functions can transform the way ...
Hosted on MSN

SUM was my go-to until I found this Excel function

You’ve used SUM for years. It adds numbers, does its job, and you probably don’t think twice about it. But while you’ve been clicking through filters and building messy helper columns, Excel has been ...
Geeky Gadgets

How to Use the SUM Function Like a Pro and Solve Complex Problems

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?
IEEE

Encrypting Images Using the Sum of Functions of a Real Variable

Abstract: A combined cryptosystem with symmetric keys for encrypting messages is proposed. Its unique feature is the use of functions of a real variable as keys instead of natural numbers. Eight key ...
The New York Times

The Trump Doctrine: The World Is a Zero-Sum Game

Whoever pays the most into the pot is the loser. Whoever gets the most is the winner. By Amanda Taub What is President Trump up to? This is arguably the most important question in the world right now ...
IEEE

Synthesis of Sum-and-Difference Patterns for Radome-Enclosed Linear Arrays With Common Weights Using Convex Optimization

Abstract: With the advancement of monopulse radar technology, synthesis of the sum-and-difference patterns (SDPs) for the radome-enclosed arrays has emerged as a pressing area of research. Due to the ...
PopSugar

I Took 100+ Lab Tests Through Function Health — Here's What I Learned

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 ...
New York Post

NIH official finally admits taxpayers funded gain-of-function research in Wuhan — after years of denials

At long last, National Institutes of Health (NIH) principal deputy director Lawrence Tabak admitted to Congress Thursday that US taxpayers funded gain-of-function research at the Wuhan Institute of ...
InfoWorld

User-defined variables in JavaScript

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...