UpdateMul Method | 
| Name | Description | |
|---|---|---|
| Mul(String, Double) | 
            Multiplies the named element by a value (see $mul).
              | |
| Mul(String, Int32) | 
            Multiplies the named element by a value (see $mul).
              | |
| Mul(String, Int64) | 
            Multiplies the named element by a value (see $mul).
              |