Duration in minutes
M = minutes( returns
an array of minutes equivalent to the values in X)X.
If X is a numeric array, then M is
a duration array in units of minutes.
If X is a duration array,
then M is a double array with
each element equal to the number of minutes in the corresponding element
of X.
The minutes function converts between duration and double values.
To display a duration in units of minutes, set its Format property
to 'm'.