Hovering over answers will now display a hand.
Added light window to calculator so that options menu, copy helpers menu, and other lightweight windows won't keep the entire app open when all the real windows have closed.
Hitting `enter` will now insert a new row if you're on the last row.
Can now round per row based on an operator at the end.
Before you could only put `,x` or `,s` etc... on the end to choose output format.
Now you can use `,x3` or `,s5` to round hex to 3 digits and standard to 5 digits.