Note that when using math operators, if a null is encountered, null will be returned. Otherwise, result values are left at double precision. If result values can be losslessly converted to integer values, this conversion is done. If any operand is null, missing, or the empty string, or the expression is invalid, the expression will return null, with the fme_expression_warnings list attribute appended to. The operators listed below are grouped in decreasing order of precedence.
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