Tutoring math, you encounter the differences between calculators even from the same manufacturer. Now, the tutor shows how to convert from rectangular to polar coordinates using the Casio fx-991ES PLUS C. In my post from May 18 I show how …
Tutoring high school subjects, you learn about teenagers. The tutor tells a story about a recipe he found. On a late-July day in 2013, walking around Robron Centre with my kids, I saw a photocopy lying on the deserted pavement. …
Tutoring calculus, you cover polar coordinates. The tutor shows how to convert from rectangular to polar coordinates on the Casio fx-260solar. Example: Convert the coordinates (-56,12) to polar with the Casio fx-260solar. Solution: Key in 56 +/- SHIFT + 12 …
Tutoring math, calculator usage is of constant importance. The tutor shows how to get the greatest common divisor on the Casio fx-991ES PLUS C. Example: Find the GCD of 96 and 60. Solution: Key in ALPHA x 96 , 60 …
Tutoring math or computer science, random numbers are often involved. The tutor shows the convenient random integer generator on the Casio fx-991ES PLUS C. Example: Generate a random integer between 10 and 89 using the Casio fx-991ES PLUS C. Solution: …
Calculator usage: how to use the random integer generator on the Casio fx-991ES PLUS C Read more »
Tutoring web front-end, there are so many little gadgets that CSS offers. The tutor looks at the outline property. In CSS, you can accomplish a dotted border with two different colors using a combination of the border and outline properties. …
Learning to cook means, for me, constant self-tutoring. The tutor reflects about sweet potatoes vs yams. To surprise the family, I made sweet potato pie a couple of weeks back. I used the occasion to experiment with sweet potato vs …
Maintaining calorie consciousness means constant self-tutoring. The tutor shares that fruitcake may be surprisingly calorie wise. My wife brought home a fruitcake a couple of days ago. I’m the only one of our family who likes fruitcake, but since I’m …
Learning to cook means constant self-tutoring. The tutor shares his discovery about rice. Apparently, white rice triples in volume and mass from dry to cooked. The cooking ratio of water to rice is 2:1, commonly. During cooking, we assume the …
Lifestyle: cooking: dry vs cooked volume (and mass) of rice Read more »
Tutoring physics, you face unit conversions. The tutor shows how the Casio fx-991ES PLUS C can be used. Inside the cover of the Casio fx-991ES PLUS C, at the bottom, is a list of unit conversions. Specifically, it indexes each …
Calculator usage: horsepower to kilowatts on the Casio fx-991ES PLUS C Read more »