put excel formulas into a designed version of the tool (a calculator) on Figma

I am looking for an experienced freelancer to help me with a design project. I need to implement formulas for mathematical equasions for environmental calculations into a calculator design in Figma. I have an idea of what the calculator design should look like, but I would need the freelancer to create the calculator design based on my idea. The end goal is to develop a calculator that uses some mathematical mathematical formulas. There will be.a couple of pages.

Let me know if you are interested pls.