IMSUM
function IMSUM(): number | string | boolean
Description
Returns the sum of complex numbers.
Returns
number | string | boolean
Try It
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.IMSUM("1+3i", "0.1+1.5j", "-2+2.5i"));