Country custom, and it's very confusing.
To the left of the decimal point, you place a decimal at an interval of every three digits.
It is not possible to tell when given a number with two decimal points! In the European style, where the decimal point is a decimal comma and the comma separator is a point, there should still be 3-digit groups of numbers.
The decimal point. But note that in many countries it is a comma, not a dot.The decimal point. But note that in many countries it is a comma, not a dot.The decimal point. But note that in many countries it is a comma, not a dot.The decimal point. But note that in many countries it is a comma, not a dot.
comma, the line makes it longer
The digits from 0 to 9, and the decimal point (or comma, depending on the country).The digits from 0 to 9, and the decimal point (or comma, depending on the country).The digits from 0 to 9, and the decimal point (or comma, depending on the country).The digits from 0 to 9, and the decimal point (or comma, depending on the country).
10,000.00 Every three spaces to the left of the decimal point, place a comma.
Comma Style
That means that there are 3 digits after the decimal point (or comma - some countries use a comma to separate decimals).
No. It removes any currency formatting and converts the number to an ordinary number. It will add or retain decimal places.
11788.2353
No, a comma is not used as a decimal point in British pounds. It is used that way in France, Spain, and some other countries, however.
There can be. Commas are used to break up long strings of numbers and a comma or space can be used for this purpose in any base. A word of warning, though. In some European countries, the decimal "point" is a comma and the thousand separator is a point. The role of the comma and the point are swapped around.