The JoinBusinessDays command creates a new calendar obtained by joining business days from the given two calendars. Any dates that are business days in either of the given two calendars become business days in the new calendar.

$\mathrm{with}\left(\mathrm{Finance}\right)\:$

$\mathrm{Calendar1}≔\mathrm{Calendar}\left(\mathrm{Toronto}\right)\:$

$\mathrm{Calendar2}≔\mathrm{Calendar}\left(\mathrm{Simple}\right)$

$\mathrm{Calendar2}≔\mathbf{module}\left(\right)\mathbf{end\; module}$

$\mathrm{AddHoliday}\left(\mathrm{Calendar2}\,''January\; 4,\; 2006''\right)\:$

$\mathrm{IsHoliday}\left(''January\; 3,\; 2006''\,\mathrm{Calendar1}\right)$

$\mathrm{false}$

$\mathrm{IsBusinessDay}\left(''January\; 3,\; 2006''\,\mathrm{Calendar1}\right)$

$\mathrm{true}$

$\mathrm{IsHoliday}\left(''January\; 1,\; 2006''\,\mathrm{Calendar1}\right)$

$\mathrm{true}$

$\mathrm{IsBusinessDay}\left(''January\; 1,\; 2006''\,\mathrm{Calendar1}\right)$

$\mathrm{false}$

$\mathrm{Calendar3}≔\mathrm{JoinBusinessDays}\left(\mathrm{Calendar1}\,\mathrm{Calendar2}\right)\:$

$\mathrm{IsHoliday}\left(''January\; 1,\; 2006''\,\mathrm{Calendar3}\right)$

$\mathrm{true}$

$\mathrm{IsHoliday}\left(''January\; 4,\; 2006''\,\mathrm{Calendar3}\right)$

$\mathrm{false}$

$\mathrm{RemoveHoliday}\left(''January\; 1,\; 2006''\,\mathrm{Calendar3}\right)\:$

$\mathrm{IsHoliday}\left(''January\; 1,\; 2006''\,\mathrm{Calendar3}\right)$

$\mathrm{false}$

The Finance[JoinBusinessDays] command was introduced in Maple 15.

For more information on Maple 15 changes, see Updates in Maple 15.