Mathematics
59 sites
http://eveandersson.com/pi
Pi Land is Eve Andersson's comprehensive tribute to the mathematical constant pi, featuring trivia games, a memory trainer, digit search tools, frequency analysis, and multiple calculation methods including Gregory-Leibniz and Monte Carlo. The site blends nerdy exploration with aesthetic touches like poetry, photos, and art, making it a delightful destination for math enthusiasts of all levels.
http://math2.org/
Math2.org is a comprehensive math reference site offering organized tables, formulas, and identities covering everything from basic arithmetic to calculus, linear algebra, and Fourier transforms. Available in both English and Spanish, it also features a message board for math questions and links to other top math resources on the web.
https://taygeta.com/random/gaussian.html
Taygeta Scientific Inc. presents a technical reference on generating Gaussian pseudo-random numbers using the Box-Muller transformation, written by Dr. Everett (Skip) F. Carter Jr. The page includes code examples, a step-by-step Weibull distribution walkthrough, and an academic reference list covering stochastic modelling and Monte Carlo methods.
http://euclid.psych.yorku.ca/SCS/Gallery
Hosted at York University, the Gallery of Data Visualization is a reference collection showcasing classic and contemporary examples of statistical graphics and chart design. It serves as an educational resource for students and researchers interested in how data can be effectively communicated through visual means.
https://mathwomen.agnesscott.org/women/women.htm
Hosted by Agnes Scott College, this site offers an extensive collection of biographical essays on women mathematicians throughout history, organized alphabetically, chronologically, and even by birthplace with an interactive Google Map. It also tracks prizes, firsts, and current achievements, making it a rich reference for anyone interested in the history of women in mathematics.
https://sprott.physics.wisc.edu/FRACTALS.HTM
Julien C. Sprott's Fractal Gallery is a sprawling collection of computer-generated fractal artwork, featuring a daily auto-updated fractal derived from strange attractor algorithms described in his book 'Strange Attractors: Creating Patterns in Chaos'. Visitors can browse thousands of downloadable images spanning Julia sets, Mandelbrot sets, 3D anaglyphs, tilings, and animations, plus a Java applet that generates new fractals every five seconds.
https://abuseofnotation.github.io/
Abuse of Notation is a thoughtful blog by a writer who weaves together mathematics, logic, philosophy, and programming into long-form essays and books, covering topics from category theory to Kant to functional programming. The site also features several self-authored books, including 'Category Theory Illustrated,' making it a surprisingly deep resource for readers who enjoy rigorous yet personal intellectual exploration.
https://www.andrews.edu/~burton/mathlinks/coolmathlinks.htm
A curated collection of mathematics education links compiled at Andrews University, organized into sections for teachers, parents, and students across K-12 grade levels. The directory covers lesson plans, interactive activities, problem-solving resources, and NCTM-aligned curriculum materials from across the early web.
https://rutar.org/
Alex Rutar is a mathematics postdoctoral researcher specializing in fractal geometry, dynamical systems, and dimension theory, with affiliations at the University of Jyväskylä and a PhD from the University of St Andrews. His site serves as an academic hub linking to his publications, expository writing, CV, and open-source developer tools built around LaTeX and terminal utilities.
https://hermetic.ch/cal_stud/jdn.htm
Peter Meyer's detailed reference article explains the Julian Day Number system, covering its origins, astronomical vs. chronological uses, and various related date formats like Modified Julian Day Numbers and Lilian Day Numbers. The page includes conversion algorithms and links to calendar software tools, making it a thorough technical reference for astronomers, historians, and calendricists.