While Microsoft Excel's comments and notes tools both let you annotate a cell, they serve different purposes, work in diverse ways, and vary in how they look on a printed Excel worksheet. In this ...

I always make sure to add clear instructions to any shared Excel workbook so the next person knows exactly how to interact with my spreadsheets. For years, I relied on the built-in notes and comments ...

Abstract: A description of input shaping appeared in a recent issue of IEEE Control Systems [1]. This lecture note is a follow-up to that article. For a summary of the material appearing in this ...

Looking for a cheaper, faster Adobe Acrobat replacement? Explore alternatives including PDNob, LibreOffice, and Inkscape.

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

OSpark.ai offers a free, all-in-one AI assistant designed to support students, professionals, parents, and creators alike. The platform simplifies work, enhances creativity, and streamlines everyday ...

Explore Open Notebook and HyperbookLM with mind maps, slide decks, and web scraping, helping you turn raw files into clear ...

Samsung's Bixby assistant is getting a major upgrade with Perplexity AI integration, currently available in One UI 8.5 beta.

On this side of the world, where telescopes trace wild, rocky terrains and sunlight spills generously across the land, lies a ...

Introductory text for Kalman and Bayesian filters. All code is written in Python, and the book itself is written using Jupyter Notebook so that you can run and modify the code in your browser. What ...

January 2, 2026 • President Trump's pressure campaign against Venezuela is the latest in a long saga of U.S. intervention in the region that is rooted in the 1823 Monroe Doctrine — and is a mix of ...