Time + Calculator over Hours Minutes and Seconds

If you are looking for a time duration calculator, this is your best choice!

Features:

√ Time calculation (addition, subtraction, multiplication, division).

√ 12/24 hour mode and normal mode.

√ Support seconds.

√ Support backspace.

√ Shortcut key to enter the current time.

√ You can turn on keyboard click sound.

√ Both iPhone and iPad are supported.