There are two options for creating an Addition node.
The first way to create an Addition node using the search list, which is opened by double left-clicking in the
workspace. You can write the name of the node you need, or words associated with this node.
add , +
+ ( Any numeric value that will become the default value for port B ).
The second way is to select a node from the menu that opens from the top left.
Menu > Math > Operators > Addition
Steps
Create an Addition node.
Connect the first summable number to be added to the first port.
Connect the second summable number to be added to the second port.
For multiple summable numbers, add ports using the "add port" function in the port menu and connect the new numbers to
the added ports.