I'd like to learn more about the calculations and formulas in Screener 

• What do the ratings in the Screener mean?
• How are the most popular filters calculated?
• How do we calculate Relative Volume and Relative Volume at Time?
• How is Volatility calculated in the Screener?
• How is Performance calculated in the Screener?
• How are ADR% and ATR% calculated?
• How do Earnings date filters work in the Screener?