The filter Calc does not seek different values

The filter Calc does not seek different valuesExample: I have 1 line with
segiuintes informationcolumn name 1/2 Activities column / 3 column
descriptionin row 1 column 2-2001in row 2 of column 2-2001we used the
standard and advanced filterClicking on column 2 filter and select only
2001, but shows both values​​. Since the User only wants to filter the
number. (dotted). We found that Excel has this functionality to identify
differences in number. (Dot) and without. (Point) ERIC ZanovelloDepartment
of Resources and Information Technology Modernization - DrtiHead of the
Computer Support - HCSDMunicipality of Porto VelhoPhone: (69) 3901-3206 /
9225-1658Rua Duque de Caxias, # 186 - Subdivision Arigolândia - Porto Velho
- RO CEP 76801-006Email: eric.zanovello @ portovelho.ro.gov.br