编辑点评：这是iPhone上的一款简单好用的计算器应用程序。

This iPhone / iPad calculator app. The main features are:

1) a simple calculator for business
without mathematical function features. But provides with the tax calculation and computation time, instead.

2) the cooperation between PC and iPhone
Using a web browser, you can copy and paste the calculated results between PC and iPhone / iPad . Please access from the browser to the URL displayed by pushing URL button. (You need wireless LAN or Internet connection).

3) the "swipe" input method
By assigning multiple functions to one button, all the calculations could be provided at only one screen.

4) calculation histories are maintained within each groups.`
You can remove, or send via e-mail whole history within a group.

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- Arithmetic: 1 +2 x3 = 9. not 7.
-%, Square root, sign change
- Memory function
- Input 00
- Selection of the number of decimal places, rounds type.
- Undo, Redo the input values (by flicking the results panel).
- GT: Grand Total feature to calculate the aggregate results so far
- Tax calculation: with three tax rate settings.
- Time calculation: with arithmetic, memory function
- Copy/Paste the results to/from the PC
- Emailing the results
- Calculation Log: on/off, grouping, send logs via email
- Support 12 languages