I have never used octal numbers in my code nor come across any code that used it. I bet you have. According to the standard, numeric literals which start with zero are octal. This includes, trivially, 0. Every time you have used or seen a literal zero, this has been octal. Strange but true.
If you are making child support payments in Texas, the law generally requires you to do so until your child turns 18, which is the age that marks adulthood in the state, or when he graduates from high school -- whichever comes later.
Answer to Florida Child Support Question. Dear Kevin, Your child support should stop when your daughter turns 18 this December. The law that states that child support should continue until the child is 19 if that child is still in high school has been changed, and will go into effect as of January 2011.