Octal - See also. 1  Computer numbering formats. 2  Octal games, a game numbering system used in combinatorial game theory. 3  Syllabic octal, a specific octal representation of 8-bit syllables.
Your doctor or nurse will suggest 1 of the following methods to begin taking the pill: Start your first pack of pills on the first day of your menstrual period. Use a backup method of birth control (such as condoms with spermicide) until you start the pill.
The best way to start the Pill is to start either Day 1 of your period taking the first pill that day ( called Day 1 start ) or to take it the first Sunday after the start of your period ( called Sunday start and if you do this , you need to use back up protection , usually condoms and spermicides are best , for 7 days ) If you start now , you may ...