I am finishing out this week of scientific calculator explorations with a look at the fx-260 Solar. On the surface, this calculator looks really simplistic – almost four-function if you look at size and cost. But it can do so much so its looks are deceiving. The old ‘don’t judge a book by it’s cover” comes to mind!

Here are just a few of the capabilities of this little ‘engine that could’:

- Statistical Calculations (mean, sum of values, sum of the square values, sample standard deviation, population standard deviation)
- Fraction calculations (including mixed-number) and conversions
- Constant Calculations (i.e. setting a constant and then using it in several different calculations)
- Trigonometric and Inverse Functions
- Exponents and Logarithms

There are more, but what I wanted to focus on today were two of these: Statistical Calculations and Fraction Calculations. I have made two quick videos. Having to use my document camera to record since this calculator does not have emulator software, so apologize if the lighting isn’t all that great. It is hard to record and see what you are doing with a document camera – I am learning a lot!!!

2. Working with Fractions with the fx-260 Solar Scientific Calculator

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