The custom is to say Elokai Nesor at the end of the 'Amidah every day including Shabbath and Yom Tob (Holy Days)....
Tuesday, February 22, 2011/Adar A 18, 5771

If one ate a Kezayith (1 oz. - the minimum quantity required for Berakha Aharonah [the blessing made after...
Wednesday, February 9, 2011/Adar A 5, 5771