We don't usually do homework!! As you have such a nice name, I'll make an
exception.
An arithmetical function is something such as + - / * or SUM, AVERAGE etc.
A formula is a bunch of arithmetical functions joined together.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.