I have an excel spreadsheet that I want on my site. I would like for people to insert their numbers and it will formulate the answers. I have the spread sheet with the formula's so everything works fine on my end?How do I get this on my site? Is there a wordpress plugin that will do this? Or will I need someone to program or code this?

This is crucial to the success of my website, and need it implemented as soon as possible to get my site to become active. Any help is greatly appreciated.