You easily could. Format is available. What I found is such tools barely work because what makes Excel so sticky is ability for end user to change that logic.

You easily could. Format is available. What I found is such tools barely work because what makes Excel so sticky is ability for end user to change that logic. X + Y = Z. Well, Click Clack and Z -Y = F That's just so difficult to handle in a way that isn't "Just use Excel"