The <<sum...>> function provides the
operation of the plus sign (+) operator in other languages. This
function will sum the arguments and return the result. There must
be at least two arguments provided to the function, and there can
be as many more arguments as needed.
The data type of these
values can be Strings, provided the string contains only numbers,
sign, and a single decimal. The values of string data types will
be converted before being passed to the function.
- numArg1-2 The required arguments, numerical, that are summed together.
Maybe a hard coded value, data tag, or the return value of another
function. If the value is hard coded and contains a negative or
postivie sign, the entire value must be enclosed in double quotes,
as in “-12.34”.
- numArg3-N The optional numeric aguments to be summed together with all
other arguments. May be a hard coded value, data tag, or the return
value of antoher function. If the value is hard coded and contains a
negative or postiive sign, the entire value must be enclosed in
double quotes, as in “-10.23”.