Miscellaneous

  • Free Beta Classes

    Want to learn math for free? I\’m starting up some new classes soon, and each class will come with a free beta group that anyone can participate in. Your feedback is very important to me and I hope you\’ll join in! Here are the classes that are starting in January: Fraction Basics: January 7 Whole…

  • Course availability update for iOS users — #2

    Hello mathematicians, puzzlers, and other curious people! I\’ve heard that the iOS app problem with accessing paid courses on Teachable has been fixed. If you have any further problems, please let me know because they will require further research. Thanks for sticking around through this glitch!

  • Course availability update for iOS users

    Hello mathematicians, puzzlers, and other curious people, especially those with iPhones and iPads! Teachable and I are aware of the problem some of you are having with the Teachable app. In brief Apple is refusing to allow the app to access paid courses because the course was not paid for through Teachable. This applies to…

  • Update on \”Learn Math; Be a Leatherman\”

    Guys, I found the tool metaphor for derivatives! Follow this link if you\’d like to review the original \”Learn Math; Be a Leatherman\” article in Mathematical Musings. (It\’s off public preview so requires signing up for free. If you haven\’t already done that because it\’s free…why???)

  • Happy e-Day of the Century!

    What is -Day? Well, what is ? We know as the mysterious number that shows up in the compound interest formula and its close relative the compound growth and decay formula , but what is  really? We say that or , but the choice between and … renders these ways of talking about  unsatisfactory to mathematicians (though…

  • Safety tip

    Even if you\’re over 21 you should still at least have a designated deriver.

  • Spring Semester Launch Party

    It\’s that time again — the beginning of a new semester! For those who have already started back, I hope it\’s going smoothly. I\’m still getting ready; classes at The Day Job start on Tuesday. I don\’t have any Friday morning classes, so I\’m setting that time aside to have an online whiteboard party. If…

  • Musing About Palindromes

    For those who haven\’t heard before, palindromes are words, phrases, and numbers that \”read the same\” forwards and backwards — words like \”mom,\” \”kayak,\” and \”racecar,\” phrases like \”madam, I\’m Adam\” and \”taco cat,\” and numbers like 24642. You might have guessed that, because this is a math group, we\’re going to focus on the…

  • Happy New Year!

    Here we are, counting down to another new year. [tminus t=\”1-1-2018 0:0:0\” id=\”2018\”/] Are you making any mathematical New Year\’s resolutions? Why or why not? And if you are, what are they?