Install
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
The Curious Case of 1/998001: Missing Number & Math Guide
7+ min ago (204+ words) Quick Answer & Key Insight: Why Does 1/998001 Generate All 3-Digit Numbers? Yes, 1/998001 generates every 3-digit sequence. Because 998001 equals $999^2$, the decimal expansion cascades through consecutive integers, but carrying digits at the 998th block creates an unexpected loop trap that skips 998. See the mathematical…...
Software Engineer - Data
12+ hour, 23+ min ago (139+ words) Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. Together, we are changing the world’s relationship with financial services. At Kunai, we help our clients modernize, capitalize on emerging trends, and evolve their…...
o3-mini vs Plumb-4B: Benchmarks & Cost
1+ day, 1+ hour ago (249+ words) Updated October 2, 2026. We do not rank this pair: at least one has no public score. Public scores include evidence status and uncertainty. The public evidence has no benchmark result shared by both models, so it does not support a quality…...
RL 5: Learning Automata and stochastic environments (1961–1974)
14+ min ago (1805+ words) Quick recap, in case you're jumping in from Blog 4. Arthur Samuel's checkers program learned by guessing how good a board position was (value estimation). Donald Michie's matchbox machine, MENACE, learned by shifting which move it preferred (policy selection). Both worked....
jeff vs Mair-hub 0.5B Omni: Benchmarks & Cost
1+ day, 1+ hour ago (262+ words) Updated October 2, 2026. We do not rank this pair: at least one has no public score. Public scores include evidence status and uncertainty. jeff vs Mair-hub 0.5B Omni The public evidence has no benchmark result shared by both models, so it does…...
MiniMax-M2.5 vs exo - AI Model Comparison
2+ hour, 1+ min ago (27+ words) OpenCode Compare AI models: MiniMax-M2.5 vs exo - MiniMax-M2.5MiniMaxHollow points use fallbacks · hover for details - exoHollow points use fallbacks · hover for details...
Open Weights Just Closed the Gap
23+ min ago (985+ words) 📖 Read the full version with charts and embedded sources on ComputeLeap → None of these stories are individually earth-shattering. Together, they tell you exactly where the frontier is heading: out into the open. Cloudflare's Clef takes that paradigm and runs with…...
DwarfStar compresses frontier models to run them on local machines
4+ hour ago (231+ words) You're browsing RuntimeWire with JavaScript disabled. Articles and navigation work fully. Interactive features — search, comments, and newsletter signup — require JavaScript. DwarfStar's ds4 is an MIT-licensed C engine for selected models on high-memory Macs, CUDA and ROCm systems, built by Redis creator…...
Build a Knowledge Layer for SQL Agents with OKF (Part 2)
42+ min ago (1727+ words) You connect an AI agent to your shop's database and ask a simple question: "How many active customers do we have?" The agent looks at the tables: It spots a status column with the value 'active', writes a query, and…...