This is a collection of links to articles and resources concerning mathematics that I have found useful and interesting.

Paul Dawkins Notes from Lamar University | http://tutorial.math.lamar.edu | College Algebra, Trigonometry, Calculus I, Calculus II, Calculus III, Differential Equations, Linear Algebra |

Chicago undergraduate mathematics bibliography | https://www.ocf.berkeley.edu/~abhishek/chicmath.htm | Reviews of the most commonly used textbooks for various courses in a typical mathematics department. |

Euclid’s ‘Elements’ Redux | http://starrhorse.com/euclid/ | A modern and highly readable version of one of antiquities most important documents. |

Cut The Knot | http://www.cut-the-knot.org | Miscellaneous Mathematics learnings and puzzles |

Fermat’s Library | http://fermatslibrary.com | This site highlights a classical paper in mathematics and features community annotations. A new paper every week. |

NIST Dictionary of Algorithms and Data Structures | https://xlinux.nist.gov/dads/ | This site includes many curiosities including an explanation of how to compute square roots by hand. |

HAKMEM | http://inwap.com/pdp10/hbaker/hakmem/hakmem.html | Various mathematical miscellany that range from useful to simply interesting. |

Colin Wright’s Blog | http://www.solipsys.co.uk/new/Mathematics.html | An interesting blog on a variety of mathematical topics. |

GeoGebra | https://www.geogebra.org/cms/ | Dynamic algebra and geometry modeling in the browser. |