이 계산기는 사용자가 복잡한 전환에 가지 않고 쉽고 빠르게 시간과 분의 계산과 뺄셈을 할 수 있도록 설계되었습니다.
**English**
Our calculator is designed to help you add and subtract hours and minutes rapidly and without going into complicated conversions.
Handy and user friendly, you will be able to see your calculations as you write them down and thus not loosing the thread during long additions.
The App keeps all your calculations in memory after closing it.
You can calculate up to hundreds of thousands of hours.
You can easily convert hours in decimal for instance 2h30 = 2,5
With our Premium version you will also be able to divide and multiply your hours and minutes. The Premium version doesn’t have any adds.