Periods:
- Use a period at the end of a complete sentence.
Examples:
- This rule is mighty easy.
- I hope they are all this easy.
- Use a period in math for money and percentages... $12.56 or 24.6%
- Use periods after intials in people's names... My algebra teacher's name is Mr. Al G. Brough.
- It can even be used in some abbreviations like: Feb., Mon., and Dr.