DigitBlock

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`DigitBlock`

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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",…].

Examples

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Basic Examples (3)Summary of the most common use cases

Separate integer digits in blocks of 3:

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-c414fm

Separate real digits in blocks of 2:

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-dac278

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

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-bbrjh1

Scope (5)Survey of the scope of standard use cases

Use DigitBlock with PaddedForm:

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-nybnce

EngineeringForm:

In[2]:=2

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https://wolfram.com/xid/0enzk95ki-ciugnb

ScientificForm:

In[3]:=3

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https://wolfram.com/xid/0enzk95ki-l8ac2d

AccountingForm:

In[4]:=4

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https://wolfram.com/xid/0enzk95ki-c1lgvr

Specify spaces as separators:

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-k8vwg

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

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-ex99qo

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

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-cwa6sp

A number with three‐digit blocks:

In[1]:=1

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https://wolfram.com/xid/0enzk95ki-fj8km4

Reverse the roles of periods and commas:

In[2]:=2

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https://wolfram.com/xid/0enzk95ki-w7n57

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