Column filters help you find the rows you are interested in by hiding the rows that don"t match your criteria
To filter a column using text, type one or more letters into the filter field
To filter a column using a numerical expression, type numbers and =, <, >, >=, or <= symbols.
To filter a column to a range of values, use n1..n2, where n1 represents the start value, n2 represents the end value, and two periods are used to capture all values in between.