Barcodes in excel file: is it possible in Calc?

Hi everybody,
I need to insert in a spreadsheet file, a list of numbers and for each of them also the related barcode.
Can someone suggest me how to do this? this characteristic should be embedded in the blank file because several people should have the possibility to fill it.
The ideal solution would be to have a blank form, and every time I insert a number, then it generate automatically the barcode in an aside cell.
Is there any possibility to do this?

Usar fonte de código de barras.

Usa il carattere del codice a barre.