## Technology: how are microwaves generated?

Tutoring sciences, questions about technology arise. The tutor mentions how microwaves are generated. Within a microwave oven (for instance), how are the microwaves themselves generated? A simple answer is “from a magnetron.” To explain more, here’s what happens: A cathode …

## Math: the inverse, part 1

Tutoring math, inverses come up. The tutor begins about them. Simply put, an inverse takes (x,y) and makes it (y,x). If f(x) yields y, then f-1(y) yields x. To get the inverse algebraically, one interchanges x with y. For instance, …

## Math: novelty factoring, part 1

Tutoring math, factoring is a typical topic. The tutor mentions a novelty. In this post, x^n means xn Sometimes, one can factor third degree polynomials of the form ax^3 +bx^2 +cx + d without using the remainder theorem, synthetic division, …

Self-tutoring about the academic lifestyle: the tutor mentions some ideas about AI tools. I’ve been late to the party when it comes to using AI tools. Today, I sat down to a computer to find one open. “Ask me anything,” …

## Math: word problems: “let” statements

Tutoring math, word problems come up. The tutor gives an example of “let” statements. Problem: A 207cm rope is cut in two pieces, one 15cm longer than the other. How long is each piece? Solution: “let” statements are used to …

## Grocery shopping: US compared with Canada, one case.

Self-tutoring about life State-side vs up here in Canada: the tutor observes… Recently I had the privilege of spending a week in Memphis. It was wonderful; I didn’t want to leave. Now, I’ve been back for awhile, so have had …

## Computer science: uint32 vs uint32_t

Self-tutoring about computer science: the tutor mentions a key difference in types. I was reading in some documentation about a certain function with return type uint32. It means, to my understanding, “unsigned integer 32-bit,” so I wasn’t too surprised about …

## Computer science: compilation games

Self-tutoring about computer science: the tutor mentions an observation. I am working on a project that uses an external library. To begin, I wanted to test if the library would compile as presented. I wrote a program that includes its …