With so much coverage these days about paranormal topics, I get immersed in self-tutoring. The tutor comments about the phenomenon of hallucinations. Often, when someone mentions seeing something they can’t explain, you hear others say, “They probably just imagined it.” …

Psychology: Hallucinations: do they happen in ordinary situations? Read more »

Tutoring English, you encounter poems and songs. The tutor comments about one with which he’s gotten reacquainted. Alanis Morisette’s album Jagged Little Pill yields numerous good songs, among them You Learn. Back in the late nineties, I liked You Learn, …

Canadian culture, poetry: You Learn, Alanis Morissette Read more »

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 »

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 »

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 »