Continuous last-survivor whole life annuity
abarxybar_ch12.RdComputes \(\overline{a}_{\overline{xy}} = \overline{a}_x + \overline{a}_y - \overline{a}_{xy}\).
abarxybar_ch12.RdComputes \(\overline{a}_{\overline{xy}} = \overline{a}_x + \overline{a}_y - \overline{a}_{xy}\).