The time which can concentrate people is very short.
It is about 60 minutes from 30 minutes.
When you study, it is wax in a recess exactly.
How about drinking coffee?
This timer can manage a schedule.
This application will be required if you study efficiently.
What back day after also being able to register an examination date That is, it understands.
how to .
change the slider valu
button is start , stop , resume
Lets use for the study of a certifying examination or an entrance examination.