iPhone 11 (iOS 13) has been supported. Some functions have been improved.

- Improvements to the ease of use of the function of revising calculations. - Improvements to the data linkage for the functions of the calculator and currency conversions. - In addition, fine-tuning type improvements.

The UI has been improved.

· Navigation has been improved. · Processing has been changed so that when the currency conversion screen is displayed and the application is closed the currency conversion screen is displayed at the next startup.

Fixed a bug.

Changed the app's name. Added a menu to remove ads.

A few small improvements.

We changed the app name to one that is simple and approachable. We added a houndstooth pattern to the design theme.

Some fine details have been improved.

Added navigation buttons to move to currency conversion screen and calculation history screen on the title bar of the calculator screen.

Fixed minor features.

Changed the position of the banner ad. Improved some functions.

Changed the arrangement of the input keys of the currency conversion function and the formula editing function.

The currency conversion operation after the price is calculated using the calculator was improved.

- A Pi “π” button was added to the calculator. (This can be changed at the Button Layout Setting screen.) - A “00” button was added to the Currency Conversion Price Editing window. - The latest update date and time are shown in the Currency Conversion screen.

The design of the currency icon has been updated.

There was a major issue with data structure, so we carried out system upgrades.

Currency conversion function was added !

To prevent errors in operation, the function of the backspace key has been changed.

Improved the operation of percent calculation.

Fixed a bug in percent calculation. Fixed a bug in formula editing function.

Improved fine processing.

Added the instructions scene (in menu list). Changed the initial setting of sound. Added the requesting review function.

Changed the input method setting from CASIO type to SHARP type for initial installation. Changed some initial settings. Improved some functions. Modified a few words.

We are adding a correction function for calculation formulas. We are updating to new designs. Additionally, we are improving the user interface along with a wide range of other functions.