The Mathematics Search Engine

Mathematics News & Resources

4Mathematics is a specialist search engine for Mathematics. Discover the latest math news and mathematical content. Part of the 4SEARCH network of topic specific search engines.

Latest Articles

DEV Community
dev.to > michaelnocito > excel-drop-down-lists-and-data-validation-and-the-paste-that-removes-them-1m5a

Excel Drop Down Lists and Data Validation, and the Paste That Removes Them

8+ min ago   (1811+ words) By Michael Nocito, data analyst · Published August 8, 2026 By the end of this page you can put a dropdown on a column in about a minute, keep its list somewhere that grows when the options grow, make a second dropdown depend…...

DEV Community
dev.to > superfunicular > i-audited-my-own-battery-claim-against-my-own-documentation-the-arithmetic-does-not-work-3j4h

I Audited My Own Battery Claim Against My Own Documentation. The Arithmetic Does Not Work.

12+ min ago   (1112+ words) Then somebody asked where my battery number comes from. I went and looked. What follows is not flattering, and I think publishing it is worth more than quietly editing a store listing at two in the morning. The Play listing…...

DEV Community
dev.to > michaelnocito > excel-dynamic-arrays-filter-unique-and-sort-in-one-formula-7pf

Excel Dynamic Arrays: FILTER, UNIQUE and SORT in One Formula

8+ min ago   (1867+ words) By Michael Nocito, data analyst · Published August 8, 2026 By the end of this page you can pull a distinct list out of a column, extract every row matching a condition, sort a result without touching the source, chain all three into…...

EdexLive
edexlive.com > news > iit-kharagpur-outreach-network-launches-texas-ai-learning-centre-in-houston-us

IIT Kharagpur outreach network launches Texas AI Learning Centre in Houston, US

26+ min ago   (194+ words) Houston: Texas AI Learning Centre, set up in collaboration with the IIT Kharagpur Outreach Network, was inaugurated at the Tagore Centre here to advance artificial intelligence education, skill development, and industry solutions. Coinciding with India's 80th Independence Day and IIT Kharagpur's…...

DEV Community
dev.to > jackm-singularity > ai-agent-standards-experiment-test-rules-before-teams-trust-them-2eil

AI Agent Standards Experiment: Test Rules Before Teams Trust Them

50+ min ago   (1481+ words) AI agents can look reliable after one impressive demo and still fail the moment real users, messy repositories, and conflicting instructions enter the room. The dangerous part is not that an agent makes mistakes. The dangerous part is that teams…...

DEV Community
dev.to > snehasishkonger > rpa-vs-bpa-vs-intelligent-automation-a-practical-map-for-ops-leaders-3459

RPA vs BPA vs Intelligent Automation: A Practical Map for Ops Leaders

35+ min ago   (298+ words) RPA is the right tool specifically for swivel-chair tasks — moving data between systems that don't talk to each other, with no API available on at least one side, at a volume that makes manual entry genuinely costly. It's the wrong…...

DEV Community
dev.to > rautaditya2606 > i-got-28-tps-out-of-free-kaggle-gpus-heres-what-it-took-5dpl

I Got 28 TPS Out of Free Kaggle GPUs. Here's What It Took.

49+ min ago   (1020+ words) I want to be upfront about something: this whole project runs on free Kaggle T4 notebooks, an AWS EC2 t3.micro relay that costs almost nothing, and public internet. No A100s. No private datacenter network. No budget. And yet, ShardFlow v2.1 hits 28.10 TPS peak on…...

OpenCode
opencode.ai > data > compare > unknown > unknown > xiaomi > mimo-v2-5

unknown vs MiMo-V2.5 - AI Model Comparison

9+ hour, 16+ min ago   (14+ words) OpenCode Related comparisons. Other model pairs to check....

DEV Community
dev.to > tamizuddin > why-your-ai-agent-cant-execute-its-own-plan-bridging-the-gap-between-local-llm-intelligence-and-45pc

Why Your AI Agent Can't Execute Its Own Plan: Bridging the Gap Between Local LLM Intelligence and Real-World Software Reliability

1+ hour, 8+ min ago   (1313+ words) You prompt your agent to orchestrate a multi-step workflow. It generates a beautifully reasoned plan. Then it fails on step three. Or eight. Or quietly produces wrong output that no one notices until it's too late. This isn't a prompt…...

DEV Community
dev.to > canalenguillem > normalising-made-my-data-worse-the-intercept-nobody-divides-out-2c2i

I divided by possession and made my football data worse

1+ hour, 34+ min ago   (1145+ words) I spent an evening adjusting football statistics for how much of the ball each team had. The correction was obvious, took ten minutes, and made the result measurably worse. The mistake is not specific to football. It happens any time…...