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Instances that can be said to be less than, equal to, or greater than one
another are said to be magnitudes. Thus, times and dates are
magnitudes, and, like the Number class, the Time and
Date classes are direct subclasses of the Magnitude
class.
On the other hand, many arithmetic operations make no sense when used with
dates and times. For example, neither can you multiply a Date
instance times an integer, nor can you raise a Time instance to a
power:
Workspace Date today * 3 <-- Message not understood Workspace Time now raisedTo: 8 <-- Message not understood