DiffNeg
Description:
script:DiffNeg(number1,number2,noValueNumber)
Computes the difference between number1 and number2. If any referend question has no answer, uít will be substituted by noValueNumber.
If the difference is negative, the "absolute" value is returned,
Example:
script:DiffNeg(\number1.a.1,\number2.a.1,0)