--- title: "#mathematics articles | Hashnode" description: "Explore 989 articles tagged #mathematics on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/mathematics" --- Tag # #mathematics 989 posts · 308 followers [Viscous](https://hashnode.com/@viscous) · [1d ago](https://hashnode.com/posts/i-got-tired-of-googling-latex-commands-so-i-built-an-editor/6af31435c93115239885b777) ### [I Got Tired of Googling LaTeX Commands, So I Built an Editor](https://viscous-publication.hashnode.dev/i-got-tired-of-googling-latex-commands-so-i-built-an-editor?utm_source=hashnode&utm_medium=feed) I Built a Free Online LaTeX Equation Editor 7 min read · [viscous-publication.hashnode.dev](https://viscous-publication.hashnode.dev/i-got-tired-of-googling-latex-commands-so-i-built-an-editor?utm_source=hashnode&utm_medium=feed) [Hiroyuki Nakahata](https://hashnode.com/@iroha1203) · [3d ago](https://hashnode.com/posts/archsig-a-tool-that-asks-why-not-how/6af09f8595d37ee34391fbf0) ### [ArchSig: A Tool That Asks Why, Not How](https://blog.iroha1203.dev/archsig-a-tool-that-asks-why-not-how?utm_source=hashnode&utm_medium=feed) ArchSig examines why software works. Explore how Laws and Atoms reveal shared structures, explain design choices, and connect software to mathematics. 15 min read · [blog.iroha1203.dev](https://blog.iroha1203.dev/archsig-a-tool-that-asks-why-not-how?utm_source=hashnode&utm_medium=feed) [Urban Mixo](https://hashnode.com/@urbanmixo) · [Nov 3](https://hashnode.com/posts/financial-engineering-in-vanilla-javascript-building-bank-grade-amortization-and-pricing-models-without-math-libraries/6aea273af8f2c45d4ff5d6fd) ### [Financial Engineering in Vanilla JavaScript: Building Bank-Grade Amortization and Pricing Models Without Math Libraries](https://urbanmixo.hashnode.dev/financial-engineering-in-vanilla-javascript-building-bank-grade-amortization-and-pricing-models-without-math-libraries?utm_source=hashnode&utm_medium=feed) How we solved binary floating-point drift, 360-month annuity amortization schedules, and margin-versus-markup equations using native ECMAScript primitives. 9 min read · [urbanmixo.hashnode.dev](https://urbanmixo.hashnode.dev/financial-engineering-in-vanilla-javascript-building-bank-grade-amortization-and-pricing-models-without-math-libraries?utm_source=hashnode&utm_medium=feed) [Milo](https://hashnode.com/@miloarchive) · [Nov 1](https://hashnode.com/posts/demystifying-ols-the-engine-behind-linear-regression/6ae7b0cc3d76d6a5fcbd2c4a) ### [Demystifying OLS: The Engine Behind Linear Regression](https://blog.miloarchive.com/demystifying-ols-the-engine-behind-linear-regression?utm_source=hashnode&utm_medium=feed) Explore OLS linear regression mechanics, its vulnerability to outliers and multicollinearity, and how Ridge and Lasso regularisation fix its limits. 5 min read · [blog.miloarchive.com](https://blog.miloarchive.com/demystifying-ols-the-engine-behind-linear-regression?utm_source=hashnode&utm_medium=feed) [CryptoPlay Guide](https://hashnode.com/@cryptoplayguide) · [Oct 28](https://hashnode.com/posts/from-hmac-sha256-to-verifiable-results-a-javascript-walkthrough/6ae1cb98da53867e4829011c) ### [From HMAC-SHA256 to Verifiable Results: A JavaScript Walkthrough](https://cryptoplayguide.hashnode.dev/from-hmac-sha256-to-verifiable-results-a-javascript-walkthrough?utm_source=hashnode&utm_medium=feed) Recompute a seed commitment, decode four digest bytes, and check an open-source verifier against an independent implementation. 8 min read · [cryptoplayguide.hashnode.dev](https://cryptoplayguide.hashnode.dev/from-hmac-sha256-to-verifiable-results-a-javascript-walkthrough?utm_source=hashnode&utm_medium=feed) [Kofi / Illestpreacha](https://hashnode.com/@illestpreacha) · [Oct 27](https://hashnode.com/posts/mathober2026-reciprocalprime/6ae00c06b9edb22e52877aeb) ### [Mathober2026\_ReciprocalPrime](https://blog.illestpreacha.com/mathober2026-reciprocalprime?utm_source=hashnode&utm_medium=feed) Prime Are EveryWhere 2 min read · [blog.illestpreacha.com](https://blog.illestpreacha.com/mathober2026-reciprocalprime?utm_source=hashnode&utm_medium=feed) [Bandanadham Jeevan](https://hashnode.com/@Thejeevan) · [Oct 26](https://hashnode.com/posts/mastering-complex-numbers-for-quantum-computing-with-python-numpy/6adfbc80f55f13877206c6f8) ### [Mastering Complex Numbers for Quantum Computing with Python & NumPy](https://jeevan-quantum.hashnode.dev/mastering-complex-numbers-for-quantum-computing-with-python-numpy?utm_source=hashnode&utm_medium=feed) Master complex numbers for quantum computing with Python and NumPy. Learn arithmetic, polar coordinates, Euler's formula, and roots of unity with code 7 min read · [jeevan-quantum.hashnode.dev](https://jeevan-quantum.hashnode.dev/mastering-complex-numbers-for-quantum-computing-with-python-numpy?utm_source=hashnode&utm_medium=feed) [Pavel Barysenka](https://hashnode.com/@pavelbarysenka) · [Oct 24](https://hashnode.com/posts/sag-calculation-segment-equilibrium-method/6add15567629ae58ded114e7) ### [Sag Calculation: Segment Equilibrium Method](https://pavelbarysenka.hashnode.dev/sag-calculation-segment-equilibrium-method?utm_source=hashnode&utm_medium=feed) Point loads and inclined spans solved with hinged segments and three passes in Excel, no VBA. 12 min read · [pavelbarysenka.hashnode.dev](https://pavelbarysenka.hashnode.dev/sag-calculation-segment-equilibrium-method?utm_source=hashnode&utm_medium=feed) [Cylinder Volume Calculator](https://hashnode.com/@cylindervolumecalc) · [Oct 21](https://hashnode.com/posts/diameter-from-circumference-how-to-get-a-cylinder-s-diameter-and-volume-from-one-tape-wrap/6ad86e38f1d0f26a7b0ca49a) ### [Diameter from Circumference: How to Get a Cylinder's Diameter and Volume From One Tape Wrap](https://cylindervolumecalculator.hashnode.dev/diameter-from-circumference-how-to-get-a-cylinder-s-diameter-and-volume-from-one-tape-wrap?utm_source=hashnode&utm_medium=feed) Diameter from circumference: learn how to get any cylinder's diameter and volume from one tape-wrap measurement, with the formula V = C²h/(4π), worked examples, and the wall-thickness mistake to avoid. 7 min read · [cylindervolumecalculator.hashnode.dev](https://cylindervolumecalculator.hashnode.dev/diameter-from-circumference-how-to-get-a-cylinder-s-diameter-and-volume-from-one-tape-wrap?utm_source=hashnode&utm_medium=feed) [Jerry Liang](https://hashnode.com/@jerryliang) · [Oct 21](https://hashnode.com/posts/the-maths-of-warping-text-for-a-vinyl-cutter/6ad874fd7c81a0aefb1d4eb4) ### [The maths of warping text for a vinyl cutter](https://jerryliang.hashnode.dev/the-maths-of-warping-text-for-a-vinyl-cutter?utm_source=hashnode&utm_medium=feed) A dependency-free TypeScript warp engine: one function for text, SVG and images, clean cut files for vinyl cutters, and WebGL within 0.3 px. 9 min read · [jerryliang.hashnode.dev](https://jerryliang.hashnode.dev/the-maths-of-warping-text-for-a-vinyl-cutter?utm_source=hashnode&utm_medium=feed)