Get Your Numbers Right



Sums a range of numbers, with up to 32,767 significant digits of precision. Same as Excel's built-in SUM function, but with high precision.



range Required. The range of cells to be summed.
format_negative Optional. Determines whether negatives are formatted with a leading hyphen ("-"), or parentheses ("()"). Set to 1 to format negatives with a leading hyphen. Set to 2 for parentheses. 1 by default.

You can also format negatives with a red font.

format_thousands Optional. Determines whether thousands separators are included. Set to TRUE to include thousands separators. FALSE by default.
format_currency Optional. Determines whether currency symbol is included. Set to TRUE to include currency symbol. The currency symbol will be added either to the beginning or to the end of the result, whichever is appropriate for the locale. FALSE by default.
exponential_notation Optional. Determines whether result is formatted in exponential notation. Set to TRUE to format in exponential notation. FALSE by default.
maximum_significant_digits Optional. Determines the maximum number of significant digits to be returned. Default is 100, or the user's custom maximum set in the About box, or the maximum number allowed by the edition of xlPrecision, whichever is less.



Formula Description
=xlpSUM(A1:A1000) Sums A1:A1000 (column A from row 1 to row 1000)
=xlpSUM(A1:A1000,2,TRUE,TRUE) Sums A1:A1000, formatted with parentheses (if negative), thousands separators, and currency symbol.
=xlpSUM(A1:A1000,,,,TRUE,100) Sums A1:A1000, formatted in exponential notation and restricting the significant digits to a maximum of 100 to get faster calculation performance.

See Also