During tutoring, you often need to point out the unexpected details of a language. The tutor brings up a point that is relevant to Perl, but not only Perl…. Back in my October 4 post, I used a Perl construct …
Perl programming: logical comparisons: equals and string equals Read more »
Tutoring high school math, you don’t always see financial calculators; more often, you might see the TI-83 grapher. The tutor recalls the TI BA-35’s use in accounting courses…. The TI BA-35 is a classic among financial calculators. It’s got that …
Equivalent annual rate, continued: finding it on the TI BA-35 Read more »
Tutoring financial math, this is an important concept. The tutor introduces it. Back in my September 18 post, I discussed the general case of compound interest. Now we turn to the question: how do we compare 3% interest compounded annually …
Tutoring high school math, the pigeonhole principle might not come up very often. Because of its applications to everyday life, the tutor often thinks of it. Back in my May 23 post, I introduced the pigeonhole prinicple. I pointed out …
Tutoring chemistry, you field questions from stoichiometry. The tutor starts with a simple example. Back in my September 15 article, I opened the topic of what a mole means in chemistry. Specifically I pointed out that a mole is the …
As a tutor, you’re interested in the holidays and events that are relevant to your students. An issue that hangs in the air at this time of year is the fascination about Halloween. I’ve always loved Halloween. When I was …
Tutoring math, you spend lots of time with calculators. The tutor noticed a function the other day that’s convenient and fun. My high school math students love the Sharp EL-520W – or its newer counterpart, which might be the EL-531. …
Calculator usage: Random numbers with the Sharp EL-520W Read more »
Tutoring math, you’re often asked, “Will I ever use this in life?” About this particular topic, the math tutor responds, “I hope so.” Back in my October 16 post on mortgage payments, I opened the topic with the use of …
Tutoring math, the uptick in interest about financial math doesn’t go unnoticed. The tutor responds. The TI-83 Plus, aka the graphing calculator, has a time value of money solver. When you press APPS, then select FINANCE, it’s the first choice …
Financial math: negative signs with the TI-83 Plus TVM solver Read more »
Tutoring math, you want to optimize your students’ calculator usage. The tutor recalls his own use of the calculator memory back in high school; it was indispensable then. Let’s imagine you’re facing the following situation: (3√(25+√14)^2 + (sin(0.27) +2)^3 – …