The Regional tab of the Options dialog is used to specify which currency symbols, date format, paper size, and measurement units you use in your business.

Country

Enter the country of your business.

Decimal Mark

This is the symbol used for the decimal point; usually a dot everywhere but in Europe, where a comma is used.

Thousands Separator

This is the symbol used to separate thousands; usually a comma.

Printed Date Format

This is the date format used for printing or pdf generation.

Measurement Units

This is the units used for measurements, either inches or millimeters.