TimeSums
TimeSums adds and subtracts time. It has three clocks A, B and C. Clock A can be set to any time value within a three day period, ‘yesterday’, ‘today’...
Christopher Medwa
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TimeSums adds and subtracts time. It has three clocks A, B and C. Clock A can be set to any time value within a three day period, ‘yesterday’, ‘today’...