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.
1 Sunday start. 2  Pick a Sunday to take your first pill, so that you do not have periods on the weekends. 3  During the first 7 days of pills, use a backup method of birth control, like a condom or diaphragm. 4  Fifth-day start. Take the second pill the next day. 2  During the first 7 days of pills, use a backup method of birth control, like a condom or diaphragm. 3  Sunday start. 4  Pick a Sunday to take your first pill, so that you do not have periods on the weekends.