Did you happen to enable RPN Mode (View menu)? That lists operands followed by operators so you end up typing the numbers before you specify what to do with th

Did you happen to enable RPN Mode (View menu)? That lists operands followed by operators so you end up typing the numbers before you specify what to do with them. https://en.wikipedia.org/wiki/Reverse_Polish_notation https://en.wikipedia.org/wiki/Reverse_Polish_notation