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SUMA computes the sum of all the values and cells referenced in the argument list. Numbers, text and logical values are included in the calculation too. If the cell contains text or the argument evaluates to FALSE, it is counted as value zero (0). If the argument evaluates to TRUE, it is counted as one (1).
Let us assume that the cells A1, A2, ..., A5 contain numbers 11, 15, 17, 21, and 43. Then
SUMA(A1:A5) equals 107.