Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
In high school, the tutor had a calculator much like the TI-30XA. For scientific notation, there’s probably none better. What some people call the “normal” way to write a number, is also known as “float”. So 1.35×10-3 is 0.00135 in …
Scientific notation: toggling back and forth on the TI-30XA Read more »
The tutor introduces a topic that academic chemists love. Enthalpy appears in high school chemistry. The definition of enthalpy, H, is H=Eint+PV where Eint is the internal energy content of the product, while PV is work done by volume increasing …
The tutor weighs in on bullying. This morning I was told it’s pink shirt day. Since I’m known for wearing pink anyway, my wife pointed out that I should wear it today. I built an outfit around a hot pink …
The tutor was never taught these terms in school. However, what if someone asks about them…? You could be a great writer without knowing the terms finite verb and non-finite verb. Yet, books sit on shelves, waiting to explain these …
The tutor discusses his commencement of yard work in 2015. I hear that, on the eastern half of the continent, winter has been tough. People have shown me pictures from the States, I think, of snow drifts as high as …
The tutor has wanted to place a greeting at the top of the Windows terminal (aka command prompt screen). Now you can too. I heard about batch files – and saw files with the .bat extension – in the late …
Windows: a little batch programming towards a friendly greeting Read more »
A lifetime ago, the tutor studied financial planning. That’s when he got acquainted with the HP-10B. Of the financial calculators I know, the Hewlett-Packard HP-10B is potentially the easiest to use. One feature of particular value to anyone in financial …
Financial math: interest rate conversions on the HP-10B Read more »
What might a tutor read casually? Here’s the latest. Although I have a degree in math, I’ve been told that “logic” and math are different. Logic, it seems, is more often claimed by English and philosophy students. So be it. …
In this post, the tutor speaks from experience, rather than formal education. Event programming (aka, event-driven programming), as I understand, focuses on designing interfaces that react to user input. What happens when the user clicks a button? What happens when …
The tutor returns to the perl sort function. Back in my post on November 27 I introduced a perl program that finds the median of a list of numbers. It depends on perl’s built-in sort function to put the numbers …
Perl: alphabetizing a list of command line arguments Read more »