This is a Time Calculator. Enter the Hour, Minutes and Seconds to either add or subtract time; Hours, Minutes and Seconds can be with decimal.
Example: 2.75 Hours and 30.5 Minutes. Answer is given in Hours, Minutes and Seconds with decimal if needed.
Touch the zero under the Hour, Minute and Second label and enter its value on the keypad. The value can be Cleared with the C key.
Touch the +- to change from addition to subtraction.
Surf to Support URL: www.thomascavalli.com with Questions.
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