How to use the Excel SUMX2PY2 function

The Microsoft Excel SUMX2PY2 function calculates the sum of the squares of corresponding items in the arrays and returns the sum of the results. The SUMX2PY2 function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the SUMX2PY2 function can be entered as part of a formula in a cell of a worksheet.

Syntax: SUMX2PY2( array_xarray_y )

The SUMX2PY2 function syntax has the following arguments:

  • Array_x    Required. The first array or range of values.
  • Array_y    Required. The second array or range of values.

Example: Let’s look at some Excel SUMX2PY2 function examples and explore how to use the SUMX2PY2 function as a worksheet function in Microsoft Excel:

Syntax:  =SUMX2PY2 (A2:A8,B2:B8)


Based on the Excel spreadsheet above, the following SUMX2PY2 examples would return:

Syntax: =SUMX2PY2 (A3:A8,B3:B8)
Result: 231

Syntax: =SUMX2PY2 (A4:A8,B4:B8)
Result: 211

Syntax: =SUMX2PY2 ({2,2,3,1,4,4,5},{1,2,3,3,2,4,4})
Result: 134

Syntax: =SUMX2PY2 (A2:A4,{2; 3;1})
Result: 43

Syntax: =SUMX2PY2 (A2:A5,{2;3;1;2})
Result: 63

Syntax: =SUMX2PY2 (A2:A6,{2;3;1;2;3})
Result: 97


  • The arguments should be either numbers or names, arrays, or references that contain numbers.
  • If an array or reference argument contains text, logical values, or empty cells, those values are ignored. However, cells with the value zero are included.
  • If array_x and array_y have a different number of values, SUMX2PY2 returns the #N/A error value.
  • The equation for the sum of the sum of squares is

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