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Number Checker The Number Checker tool compares two columns
of numbers and looks for a possible missing digit, or transposition errors (where two
digits have been swapped). First we select the two columns containing
the number values that we would like to compare, then select if we would like to conduct a
"missing digit check" and/or a "transposition error check".
TopCAATs will produce a new worksheet for each check performed. Each sheet will contain
an extraction of all the records where a possible missing digit or transposition error has been
found.