Self-tutoring about international trade: the tutor mentions a point of view. Trump, apparently, says he’s in no hurry to change the tariff situation. He seems to claim that the tariffs are enriching the United States. One wonders, therefore, why someone …
Self-tutoring about economics: the tutor mentions an observed value for price elasticity. The following is according to my understanding. Price elasticity, in economics, refers to the change in demand relative to a change in price. Elasticity is almost always negative, …
Self-tutoring about people and events from the past: the tutor mentions a jigsaw. I recall shop class, grade 7; the sewing room was next door. Yet, the sewing teacher was often in the shop, using the jigsaw. I never used …
Self-tutoring about energy profiles: the tutor mentions PEI. I lived in PEI as a kid, and do remember it being a little windy. Its highest point is around 142m above sea level, so the wind might not face many obstacles. …
Energy, Canadian geography: Prince Edward Island Read more »
Self-tutoring about home maintenance: the tutor mentions visiting the hardware store. When one needs to do repairs, sometimes the way to start is just to see what’s available. It takes time, and an open mind. It seems best to do …
Self-tutoring about regular expressions: the tutor mentions a use of the caret symbol, ^. It seems that, in regular expressions, “^” can mean “not” when it’s the first character inside of square brackets. For example, it seems that [^a-zA-Z] would …
Self-tutoring about outdoor lifestyle: the tutor mentions potential health benefits of dandelion greens. I’ve heard over the years that dandelion greens are healthful to eat. Yet, how, in particular? Not too surprisingly, it seems, dandelion greens are a source of …
Health: dandelion greens, part 2: potential health benefits Read more »
Self-tutoring about spring calls from frogs at night-time: the tutor mentions a possible caller from west coast swamps. I mention, back in my post from April 9, about hearing frog and toad calls from the woods in springtime in the …
Nature: Vancouver Island frog calls in spring: who is it? Read more »
Self-tutoring about Excel: the tutor mentions another interesting function. In Excel, the t function seems to return the contents of a cell if the cell contains text, but an empty string, aka “”, otherwise. Then, what might qualify as text? …
Self-tutoring about nature in Nova Scotia: the tutor reflects on a memory. I recall, as a kid in the Annapolis Valley, the woods behind our house would erupt with high-pitched calls in the spring. To me, it kind of sounded …