MACD Histogram

MACD Histogram
These two formulas for Dr. Alexander Elder indicators.
The custom formula for the MACD histogram is:

(Mov (C, 12 E) - Mov (C, 26, E)) - Mov ((Mov (C, 12 E) - Mov (C, 26, E)), 9, E)
The custom formula for use weekly MACD histogram of daily data is:
Mov (If (DayOfWeek () = 5, C, Peak (1, If (DayOfWeek () = 5, C, 0), 1)), 60, E) -
Mov (If (DayOfWeek () = 5, C, Peak (1, If (DayOfWeek () = 5, C, 0), 1)), 130, E) -
Mov (Mov (If (DayOfWeek () = 5, C, Peak (1, If (DayOfWeek () = 5, C, 0), 1)), 60, E) -
Mov (If (DayOfWeek () = 5, C, Peak (1, If (DayOfWeek () = 5, C, 0), 1)), 130, E), 45, E)