You perform mathematical functions by placing math functions in a net. Math functions, located on the Math menu are provided for:
Each type of math function can use up to 8 input values to compute a single sum.
The internal operation of a function block is transparent to the user.
The example below shows an Add function block with 2 input values.

The operands listed below can be used to provide both input and output values, with exception of Constant Values. Constant values can provide input values, but can not contain output values.