DigitBlock

is an option for NumberForm and related functions that specifies the maximum length of blocks of digits between breaks.

Details

The default setting is DigitBlock->Infinity, which specifies that no breaks should be inserted.
DigitBlock->n inserts a break every n digits. »
DigitBlock->{nleft,nright} inserts a break every nleft digits to the left of the decimal point, and every nright digits to the right of the decimal point. »
The setting for NumberSeparator determines what string should be used at each break. »
DigitBlock can also be used to specify what to assume for interpretation of numbers with Interpreter["Number",…].

open allclose all

Separate integer digits in blocks of 3:

Separate real digits in blocks of 2:

Use three‐digit blocks on the left of the decimal and two‐digit blocks on the right:

Specify spaces as separators:

Use commas as separators on the left and no separators on the right:

Use different block sizes and separators on the left and right:

A number with three‐digit blocks:

Reverse the roles of periods and commas:

Top