Calc with History

Calc with History is a usefull calculator with autosave the log.
Includes the following features:
-Save history automatically.
-Year, month, day, hour, minute, and second are recorded in the log.
-Send all log : export all log in text format via email.
-Delete all history.(Long click S button.)
-Switch Current log or History.(Click H or L button.)
-Display unlimited digit.

Feel free to email me with any feedback or ideas on improving the app.

[Update log]
versionName: 1.0.1 Change layout. Display unlimited digit.