So far, the reduce sub is consistent with all of the examples in his text. User input would accept negative in the minute and second fields (unlike some other calculators), it just won't provide output with negatives in those fields, which are appropriately carried to the next highest term, as is done in this calculator http://www.mathopenref.com/dmscalculator.html

In reply to Re^8: How to write testable command line script? by thechartist
in thread How to write testable command line script? by thechartist

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