http://opcfoundation.org/UA/Calc/ http://opcfoundation.org/UA/ Returns a + b. First addend. Second addend. Computed sum. Returns a * b. Wired with the asynchronous typed OnCall overload. First factor. Second factor. Computed product. Returns left + right. Left-hand string. Right-hand string. Concatenated value. An object type that exposes Add/Multiply/Concat methods exercising the typed fluent OnCall surface. A calculator exposing Add, Multiply and Concat under the Objects folder. ua:Organizes ua:ObjectsFolder