https://www.wolframalpha.com/input/?i=what%27s+the+monthly+payment+on+a+20-year+mortgage+with+3.9+APR https://www.wolframalpha.com/input/?i=what%27s+the+monthly

https://www.wolframalpha.com/input/?i=what%27s+the+monthly+payment+on+a+20-year+mortgage+with+3.9+APR https://www.wolframalpha.com/input/?i=what%27s+the+monthly+p... You're dreaming of what wolfram alpha is trying to build. Edit: funnily enough, they parsed the input slightly wrong but you can quickly get to your answer.