How Can I Add or Subtract Two Hexadecimal Numbers?

Hey, Scripting Guy! How can I add or subtract two hexadecimal numbers?-- PS Hey, PS. You know, according to the old saying there are two things you should never watch being made: laws and sausages. We’d like to add a third item to that list: Hey, Scripting Guy! columns. We knew you’d say that. But remember, you’re seeing the finished product, a ...