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.
During your medical appointment, take your first pill as soon as you get the pack from your doctor. Take the second pill the next day. During the first 7 days of pills, use a backup method of birth control, like a condom or diaphragm. Sunday start. Pick a Sunday to take your first pill, so that you do not have periods on the weekends. During the first 7 days of pills, use a backup method of birth control, like a condom or diaphragm. Fifth-day start.