The tutor covers a couple of fun features of the Staples BD-6120G. The Staples BD-6120G is a scientific calculator, but it’s got some neat features useful to buyers and sellers as well. In particular, it’s got some very handy percentage …

Calculator usage: percentage markups and selling price with the Staples BD-6120G Read more »

The tutor offers an estimate about the price of going solar. In an earlier post , I reported my research findings of possibly 22W per $100 for a residential solar application. Here in BC, according to BC Hydro, the typical …

Residential electricity: poss. cost to go solar Read more »

The tutor offers a quick comparison: the ancient grain quinoa vs a modern favourite. In yesterday’s post I started about ancient grains and why they might be growing in popularity. As I mentioned, quinoa is one my we’ve adopted to …

Ancient grains, cont: quinoa vs durum wheat Read more »

The tutor continues exploring annuities.   In my previous post I introduced the idea of an annuity with an example. That example had each payment at month’s-end; hence, it was an ordinary annuity. With an annuity due, the payment is …

Financial math: ordinary annuity versus annuity due Read more »

Financial math awaits many students.  The tutor introduces annuities. From the point of view of a typical consumer, an annuity is the reverse of a loan.  The consumer becomes the lender, while the institution pays them back, often with monthly …

Financial math: annuities, part I 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 »

When the tutor was in high school, a course called Consumer Education was mandatory. The beautiful, energetic high school students of today will, sooner or later, be workers. They will gain one kind of freedom at the expense of another. …

Consumer Education: the Consumer Price Index Read more »