Don’t they drive you nuts?
You can visit all the rules of style you want, and you can read all the books and articles you want. You will still be confused.
Commas, Semi-colons, and colons
Here’s what they look like:
a colon is two dots – :
a semi-colon is a dot on top of a comma – ;
a comma is a little curly thing (for want of a better description!) – ,
The colon is often used to introduce a list, like so: point one; point two; point three.
Currency Formatting and Putting Commas In Numbers
This article will show you how to do two things:
1. Round numbers to the nearest hundredth, with two digits following the decimal point. This can be useful when displaying prices or the totals of orders.
2. Insert commas between every third digit (right to left) for numbers 1000 and larger. This can make numbers easier to read.