Ryan's edits added
Ryan's edits added

The last section is a bit strange. I didn't quite get what you meant about the calcuator, but took a guess at what you were aiming for.
Empire-of-Code-Puzzles/checkio-empire-super-root,Empire-of-Code-Puzzles/checkio-empire-super-root,Empire-of-Code-Puzzles/checkio-empire-super-root