Waterproof and dust-proof type

Is a calculator can work with intact even with wet hands and dust resistant.
　
Tax calculation
Incl. VAT, excl. tax calculation. Displays the amount of tax the tax rate can be set freely.
　
Cost / selling price and gross margin
Essential business cost and selling price and gross margin of calculating private keys with one touch
　
T W P (with auxiliary batteries and solar cells)
Unlike conventional solar power calculator, shadowed light computation along the way, built-in battery protects computation.
　
Calculation status display
Arithmetic calculation and memory usage you can check in.
　
Multimedia %
　
Arithmetic constants
　
An approximate calculation
　
Down (shift)
Useful for correcting typos. Minimum digits, one digit while it deletes.
　
+ /-(Sign change)
The number of positive (+) to the number of negative (−) or use the reverse switch when.
　
Rollover (adrenalin rush function)
You can enter for the first time and then entered the following key before you release the key on the way.
　
Twsebki
Significant digits calculation can speedily.
　
3-digit scale display
　
Large display
Lamplight is a large, easy to read display.
　
Tilt view
View easy slopes.
　
Removable, washable keypad
　
Plastic key
　
Auto power-off