This is a calculator useful by various scenes depending on your conception. For instance, it is possible to use it for the calculation of the interest rate, the calorie, the experiment, and statistics etc.

Anyway, you always quickly take it out of your pocket, and can use it to calculate at once.
Therefore, it is a very convenient calculator.

The value of an arbitrary point on the straight line that passes by two points is quickly calculated.

The interpolation can be calculated.
Additionally, the calculation of extrapolation is also possible.

The calculation is mathematically simple.
However, it is considerably troublesome to do the calculation purposely with a calculator and a personal computer.

The usage is very easy.

Simple proportion calculations of the consumption tax and the discount price, etc. are possible.

Furthermore,
Content of the calculation can be registered up to five.
When you want to use the content of the calculation again, you can call it one-touch.