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Addition operand in Survey123 XLS form

Question asked by edzlonis on Jul 19, 2016
Latest reply on Jul 21, 2016 by ichivite-esristaff

Addition operand in math formula results in concatenation rather than sum for numeric
values.  I am trying to sum 4 previous fields to confirm that they add up
to 1.0. The following formula ${EC} + ${FLC} + ${OWC} + ${ShC} results in a
concatenation (, rather than a sum (1.0) of the fields. The other
operands all work correctly. In the Excel spreadsheet the name cells for the
select_one field (e.g., PropCover) are defined as numeric and the type for the
recipient cell (TotalCover) is decimal. When I use the form with this formula
in ODK Collector the addition operand works correctly. Am I missing something?