Create calculation web form of WordPress

We are creating a website and we need to have a form on WordPress website to be able to do calculations in real time. Please quote on development and testing on calculation form. In your response make sure you include links to calculation forms you did in the past. I will send details of the project to those who shwo samples of their past work to ensure you can quote accurately. This project is urgent and will require immediate start. Please conly respond if you can start working today - tomorrow