## Math: Calculator usage: brackets on the Casio fx-260Solar

The tutor shares a discovery about the Casio fx-260Solar. The Casio fx-260Solar is a great calculator. Of course, it’s reverse entry for square root, sin, cos, tan, etc, so might be a little less popular with some people. When you …

Tagged with: ,

## Calculator usage: deg to rad, rad to deg conversion on the Casio fx-260solar

The tutor shares another convenient feature of the Casio fx-260solar. In high school math, you might have to convert between degrees and rads. It’s easy with the Casio fx-260solar; here’s how: Example 1 Convert 60 degrees to rads. Solution: Let’s …

## Calculator usage: using the memory on the Casio fx-260solar

The tutor covers a topic he’s surprised to have missed: using the memory of the Casio fx-260solar. I always have a Casio fx-260solar around. It’s economical and reverse-entry, similar to the calculators I grew up with. However, I’ve never used …

Tagged with: ,

## Calculator usage: The ENG function on the Casio fx-260solar

The tutor explains his recent understanding of a function he’s wondered about. I’ve noticed the ENG function on more than one calculator, but have never used it. I’ve always assumed it means “engineering”; since I’m not one, it makes sense …

Tagged with: , , ,

## Statistics: standard deviation shortcut using frequencies

The tutor shows a convenient way to estimate the standard deviation. Let’s imagine the following list of 20 test scores: 43, 44, 49, 51, 52, 55, 57, 58, 61, 64, 68, 73, 74, 76, 77, 82, 84, 85, 87, 91 …

## Calculator hints: changing modes on the Casio fx-260solar

The tutor points out a surprise that dogged him, for a couple of minutes, with the Casio fx-260solar. For physics or chemistry calculations, scientific notation is handy. Â Let’s imagine you want to know what 0.8c is, in metres per second. …

Tagged with: , ,

## Math: Using constants on the Casio fx-260Solar

Tutoring math, calculator use is perennial. Â The math tutor introduces a nifty trick for the Casio fx-260Solar. In physics, you often have a constant in a formula. Â An obvious example is F=mg, where g=9.8m/s^2 High school physics students use the …

Tagged with: ,