Main concepts:

• It gives buy (blue) and sell (red) signal.
• Signals does NOT repaint after bar is CLOSED.

Main features:

• Length: Measure how many bars back the indicator will consider to calculate the signals.
• Factor: based on volatility of the market.
  Lower values will give less signals, but more accurate.
• Max_bars: How far in history you want the indicator to show signals.
• PopUp: Turn popup alert on and off.
• RicinusWidth: Change the size of the signal.

The name of this indicator came from RICINUS COMMUNIS known as Castor bean.