Calculator - just for you -

[Dentack]
The operation panel.
You can select a calculator title with drop-down list.

[Recent]
The list of the recent calculation.
You can copy or delete the result with long touch.

[MyDentack]
The list of the registered calculator titles.
You can use it with short touch.
If you touch it for long period, the title will be deleted.

[Edit]
You can edit key arrangement of the current calculator.
Drag and drop a key part on the left row to calculator key,
the key will be replaced.
Please confirm with the "OK" button.

[New]
You can make a new calculator.
Drag and drop a key part on the left row to orange key,
the key will be replaced.
Please input a title name and confirm with the "OK" button.
With the "archive" (or "folder") button, You can load the registered
calculator key arrangement as a base arrangement.

[Settings]
- Pattern -
To select patterns to use.
"Ordinary", "Simple", "Sales Tax" and "Split Bill" calculator patterns
are available.

- Decimal Point -
To set the number of digit and rounding method
for displaying under decimal point value.

- Sales Tax Rate(%) -
To set the rate of sales tax.
(I don't know whether it is useful for your nation's tax system.)

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We named this app ”Dentack" .
It sounds like the word for calculator in Japanese.
(In Japanese, calculator is translated "Dentaku". )