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.
Time Calculator hh:mm:ss is a free educational mobile app By qin hu.It helps students practice the following standards .
Software Version: 1.2
Release Date: 2014-07-23T03:33:48Z
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