How to use calculator: Run python calculate.py Enter the figure name. Available are Circle, Square. Enter the function: Area or Perimeter. Enter figure sizes. Radius for circle, one side for square. Get the answer! Math formulas Area Circle: S = πR² Rectangle: S = ab Square: S = a² Triangle: S = sqrt(p * (p-a) * (p-b) * (p-c)) where p is semiperimeter Perimeter Circle: P = 2πR Rectangle: P = 2a + 2b Square: P = 4a Triangle: P = a + b + c