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Adds two numbers and emits the sum as a decimal. Pair it with Subtract, Multiply, or Divide to build longer arithmetic chains.

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Configuration

  • X — first addend. Wire the input port, or type a literal in the inspector. nil is treated as 0.
  • Y — second addend. Same rules as X.

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Matching over time

Both inputs are timelines, so each entry of X is paired with the Y entry in effect on its date. When both timelines are siloed by the same IDs — two fields off the same salary row, say — the pairing also matches on ID, and an X entry whose silo has no Y entry is left unchanged. When the IDs are unrelated, or Y has none at all, only the date is matched: a single org property or literal is added to every entry of X regardless of which silo it belongs to. If several of Y’s silos are in effect on the same date there is no right answer, and the node raises rather than guess.

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List behaviour

  • Both operands as same-length lists: element-wise addition.
  • One list, one scalar: the scalar is added to each element.
  • Two scalars: ordinary addition.
  • Mismatched list lengths raise an error.

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Ports