CIRCLE
C I R C L E
+---------------------------+-------+----+
| Enter Radius | M | A |
| or Enter Diameter | M | B |
+---------------------------+-------+----+
| Perimeter calculation | M | A' |
| Area calculation | M2 | B' |
+---------------------------+-------+----+
| Return to the Main Menu | E |
+-----------------------------------+----+
_ _
___ (_) _ __ ___ | | ___
/ __|| || '__| / __|| | / _ \
| (__ | || | | (__ | || __/
\___||_||_| \___||_| \___|