It definitely sometimes claims to have used a calculator, but often it gets the answer wrong. I think there are a few options: i) There is no calculator and it

It definitely sometimes claims to have used a calculator, but often it gets the answer wrong. I think there are a few options: i) There is no calculator and it's hallucinating the whole thing ii) There is a calculator but it's terrible. This seems hard to believe iii) It does a bad job of copying the numbers into and out of the calculator