Mathematics

1. arXiv.org e-Print archiveopen searchopen navigation menucontact arXivsubscribe to arXiv...
2. SciHub: Where?
3. download research without signin
4. the first resource for mathematics
5. The Mathematica Journal: Mathematica Techniques and Applications
6. MR: Search Publications database
7. 7 more

1. Our World in Data
2. Worldometer - real time world statistics
3. Expatistan - Cost of Living
4. Windy
5. SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, a...
6. The NGC on the Net
7. 8 more

1. Wolfram Mathematica
2. Wolfram Research, Inc.
3. Function Repository
4. The Mathematica Package Repository.
5. AbstractAlgebra - Exploring Abstract Algebra with Mathematica
6. Making a website with Mathematica
7. 22 more

1. GAP
2. GAP Lesson
3. GAP Lectures by A. Hulpke
4. Abstract Algebra with GAP
5. Rings in GAP

   Everything you always wanted to know about rings in GAP (*but were afraid to ask*) - Jürgen Ecker
6. LibGAP

1. pari.math.u-bordeaux.fr
2. A tutorial for Pari/GP
3. PARIrefcard.pdf
4. parigp tutorials
5. Computer Algebra II: Pari/GP, Magma, GAP, Singular
6. Category:PARI/GP

1. KANT

1. Singular

1. MixEmul

1. GeoGebra | Free Math Apps - used by over 100 Million Students & Teachers Worldwide
2. Escher en het Alhambra
3. Digital Mathematics

   Geogebra Tutorial and more...

1. Wolfram|Alpha
2. Magma Calculator
3. OEIS
4. DLMF: NIST Digital Library of Mathematical Functions
5. LMFDB

   See https://github.com/JohnCremona/ecdata for sourcedata
6. JohnCremona/ecdata
7. 17 more

1. Sage on Windows 10

   Running Sage on the Windows 10 Pro Subsystem for Linux (WSL)
2. Questions - ASKSAGE: Sage Q&A Forum
3. SageMath - Open-Source Mathematical Software System
4. Abstract Algebra with Sage
5. Sage Documentation v9.0
6. Number fields — Sage Constructions v6.8
7. 1 more

27/8-'20: OK. A Python category...

1. Pexpect version 4.8 — Pexpect 4.8 documentation
2. Diophantine — SymPy 0.7.6.1 documentation

1. Microsoft Visual Studio Enterprise 2019 v16.3.0 (16.3.29318.209) ...
2. Learn C - Free Interactive C Tutorial
3. Udemy - C Programming – Complete Tutorial For Beginners
4. Coding C in Visual Studio 2019
5. Write text parsers with yacc and lex
6. What is a Makefile and how does it work?

1. LaTeX org
2. MiKTeX Project Page
3. TeX Users Group

   Official channel of TeX Users Group. Conferences, and other videos on TeX and associated tech.
4. MIT Thesis LaTeX Specs
5. Tex Stack Exchange
6. Style/class tutorials
7. 4 more

1. LaTeX Editors/IDEs
2. Hannah-Sten/TeXiFy-IDEA
3. OverLeaf
4. ShareLaTeX, the Online LaTeX Editor
5. TeXstudio : user manual
6. TeXstudio

1. Package graphicx
2. tcolorbox.pdf

1. Text Processing Tools
2. PDF to PNG - Convert PDF to PNG Online
3. Markdown,Sublime Text and Pandoc
4. Synoniemen.net
5. iceScrum

1. Digital Image Processing

1. Free HDTV on PC
2. 4bit Terminal Color Scheme Designer
3. Minimalist GNU for Windows
4. How To Make Lecture Videos
5. WSL 2: Getting Started
6. dummies - Learning Made Easy
7. 17 more

1. MacMini 2020
2. Techno kak

   Hackintosh
3. Blog | hackers-arise
4. It's FOSS - World's Leading Linux & Open Source Web Portal
5. Zorin OS: Your Computer. Better.

1. Goodreads

   The Facebook for book-lovers. Join!
2. Mathematics Textbooks for Self Study --- A Guide for the Autodidactic
3. Free Textbooks by Topic
4. Open Source Approved by AIM
5. Library Genesis

1. Calibre

   E-book Database Management
2. Custom Metadata for Calibre
3. Convert DjVu files to PDF Online
4. Smallpdf.com

   A Free Solution to all your PDF Problems
5. Goodereader
6. Popular 24 hours Apps Torrents
7. 1 more

1. National Geographic 8-25×25 Zoom Monokular - Spezielle Makrofunktion
2. Suggest Bookmarks Here

   My personal Twitter feed
3. User:Nilo de Roock - OeisWiki

1. The Subalgebra Structure of the Cayley-Dickson Algebra of Dimension 32 (trigintaduonion)

   Beyond the sedenions : trigintaduonions.
2. Euclidean Algorithm for Gaussian Integers

   Taken from the mathdoctorbob collection
3. Rings of Integers in Quadratic and Cyclotomic Fields
4. Arithmetic in Number Rings
5. Prime Power Congruences
6. congnumber.pdf

   Expository paper on the "Congruent Number Problem" by Keith Conrad
7. 16 more

1. Explicit formulae for L-functions
2. Bsc. Thesis Zeta function (pdf)

   The Zeta function according to Riemann - Willem Pranger - 8 Feb 2013
3. MATH 41022 / 61022

   ANT ( Dr. M. Coleman )
4. NumberTheory.pdf

   Alois Pichler
5. Analytic Number Theory course/college Analytische Getaltheorie, Leiden
6. The Fluctuations of the Prime-counting Function pi(x)
7. 23 more

1. Notes on Fourier Series and Modular Forms

   Rich Schwartz
2. Elliptic Curves and Cryptography
3. Elliptic Curves as Complex Tori
4. Modular Forms, A Computational Approach — Modular Forms, A Computational Approach v0.1 ...
5. http://www.math.utah.edu/vigre/minicourses/sl2/schedule.html

   SL2 Course

1. Complex Analysis - Spring 16

   Mathematics III - Complex Analysis - Spring 16
2. MATH 331: Complex Analysis

   James Cook's MATH 331: Complex Analysis
3. Math 5022
4. MA243: Complex Analysis
5. Math 5021
6. Complex logarithm
7. 8 more

1. dCode - Solvers, Ciphers, Calculators, Decoders, Online Tools

1. NUI Galway MA180-2/MA190/MA186 : Semester 2 Calculus, 2012/13
2. Math 24

   Many ( 2000+ ) solved Calculus Problems
3. Real Analysis (73 lectures)
4. How Euler Did It, by Ed Sandifer

   MAA Column

1. Resources
2. Fourier and Laplace Transforms | Differential Equations and Linear Algebra | Learn Diff...

1. π-Base
2. The Fundamental Group of the Circle, Part 1

   The Fundamental Group of the Circle, Part 1/6
3. Measure Theory for Probability: A Very Brief Introduction

1. The Birkhoff Problem
2. Goodman - Algebra
3. Finitely-generated modules over a principal ideal domain
4. Group Representation Theory
5. Linear Algebra

   Open Source Textbook
6. Problems in Mathematics

1. Permutation Puzzles
2. Exploring Discrete Mathematics Using Mathematica
3. How to think in graphs: An illustrative introduction to Graph Theory and its applications

1. Category Theory in Context

   Emily Riehl's book ( free PDF version )
2. Logical Methods in Computer Science
3. Theory and Applications of Categories
4. Category Theory

1. Archive of Formal Proofs
2. Mathematical Components
3. leanprover-community/mathlib

1. Formal Abstracts

   Towards a Google Earth of Mathematics...

1. Welcome to Spinning Up in Deep RL! — Spinning Up documentation
2. Artificial Intelligence: A Modern Approach

1. Biohacking - The Beginner’s Guide (Top 7 Hacks!)

1. VizieR
2. Stellarium Astronomy Software
3. Science Mission Directorate
4. Susskind's Cosmology Lectures
5. David Butler's Cosmology Videos

1. Einstein's Field Equations

   for beginners - 2 hour video
2. A Project to Find the Fundamental Theory of Physics
3. Mysteries of Modern Physics

   Lecture by Sean Carroll - Caltech
4. LPPFusion

   Did the Big Bang really happen?
5. Convert just about anything to anything else
6. Convert-me.com

   Instant units conversion
7. 24 more

1. How do brains work?

1. Kimball Martin

   Collection of lecture notes of many subjects
2. Sketches of Topology
3. Yet Another Mathblog

   David Joyner's blog
4. Abakcus

   Science and Math stuff
5. Matt Baker's Math Blog

   Number theory, graphs, dynamical systems, tropical geometry, pedagogy, puzzles, and the p-adics
6. Field arithmetician's blog
7. 31 more

1. Project Euler
2. Codeforces
3. GeeksforGeeks | A computer science portal for geeks
4. Code Golf

Open Access only...

1. My Favorite Theorem — Kevin Knudson

1. Polish Mathematical Olympiad 2020
2. International olympiad for school students in mathematics
3. International Mathematical Olympiad
4. pen-20070711.pdf
5. International Mathematical Olympiad
6. Online Results
7. 2 more

1. Discord - A New Way to Chat with Friends & Communities
2. Ross Mathematics Program
3. For Master Teachers of Math and Science
4. mathforum.org
5. AOP/Alcumus
6. The Open University
7. 10 more

1. Zwartboek Rekenonderwijs
2. Mastermath
3. KWG
4. NL: Personal computer care
5. Het schoolsysteem VS vergeleken met dat van Nederland. American school system compared ...
6. Nederlandse Vereniging van Wiskundeleraren – Vakvereniging voor wiskundeleraren in het ...
7. 11 more

This category is still in development

1. Bethel University

In order of rating. - Ten recommended, or otherwise coherent, or complete, series.

1. Bill Kinney

   #1 - Full Undergraduate Program and courses on Financial Mathematics ( Kinney uses Mathematica )
2. NPTEL PHASE 2 - Courses.

   #2 - A selection of undergraduate and graduate courses; what courses don't they have?
3. Numberphile

   #3 - Many beautiful short talks and demos about a math topic.
4. James Cook

   Full Undergraduate Program also a course based on the book Naive Lie Theory by J. Stillwell
5. Jim Fowler

   Excellent video "series" ;-) Fun to watch. Enjoy!
6. Wildberger's Foundations of Mathematics lectures

   Some excellent lectures; ( sadly Wildberger denies the existence of Real Numbers, which is weird )
7. 4 more

In Alphabetical Order