The Math component adds, subtracts or multiplies the curves supplied by the Source A and Source B inputs. This is a curve component, it can be located in the Curve Ops category on the Components Bar.
Specifies the operation to be performed on the source curves – Addition (A+B), Subtraction (A-B), or Multiplication (A*B). If the output range of the resulting curve exceeds the maximum output range, the curve is clipped accordingly.
Source A and B: Curve Inputs, Required
These inputs provide the two source curves. These are required inputs – to make the Math component work, these inputs must be connected.