Tutoring calculus, you cover limits. The tutor mentions using Excel for confirmation. Because of Excel’s power, it can do some particular calculations you might use to verify a calculus limit. Example: In my April 19, 2016 post I develop the …

Calculus: using Excel to verify limit nth root of n, n goes to infinity Read more »

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For me, home computer use means self-tutoring. The tutor shares some experience with the HP Notebook. When I can’t use the desktop, I often use a Notebook by HP, purchased last May, which runs Windows 10. I had some problems …

Home computer use: some practical experience with HP Notebook Read more »

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Tutoring math, you encounter grade. The tutor discusses its definition and why it might be surprising. Grade is defined as 100%*(vertical/horizontal). In the above diagram, it would be as follows: grade=100%*(rise/run). By itself, rise/run is called slope. Therefore, grade=100%*slope What …

Math, engineering, trades: steepness measurement: definition of grade Read more »

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The tutor discusses more lifestyle self-tutoring: maintaining coffee quality when you’re living from a suitcase. My wife says that my taste buds aren’t very refined – I can’t tell the difference between good food and great food. Likely, she tells …

Lifestyle, Canadian brands: coffee: Best Gourmet Coffee Company, Kona Blend, ground Read more »

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Technology self-tutoring: the tutor checks the importance of unplugging an unused phone charger. I’ve read in more than one place to unplug a phone charger when it’s not being used. Doing so I find inconvenient, but I’ve done it anyway …

Mobile phones, electronics: should I unplug the phone charger when not in use? Read more »

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