How to use SUMMATION (Scilab), Performing addition

Datatype
1: Handles double-type floating point.
2: Handles complex numbers.
3: Handles 4-byte fixed point.

Number of inputs or sign vector
1: Addition, -1: Subtraction.

For example, if you want to add/subtract/add three signals, write it as follows.
[1;-1;1]

Do on Overflow
When the processing result overflows, the following will be done.
0: Do nothing. 1: Hold the value. 2: Display an error.