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BUILT-IN MATHEMATICA SYMBOL
$NumberMarks
$NumberMarks
gives the default value for the option NumberMarks, which specifies whether 
marks should be included in the input form representations of approximate numbers.
Details
- The default setting for $NumberMarks is Automatic.
- $NumberMarks=True indicates that
should by default be used in all approximate numbers, both machine-precision and arbitrary-precision ones. - $NumberMarks=Automatic indicates that
should by default be used in arbitrary-precision but not machine-precision numbers. - $NumberMarks=False indicates that
should by default never be used in outputting numbers.
Examplesopen all
Basic Examples (2)
The default value of $NumberMarks is Automatic:
| In[1]:= |
| Out[1]= |  |
MachinePrecision numbers are shown without a number mark:
| In[2]:= |
Out[2]//InputForm= | |
 | |
Arbitrary-precision numbers are shown with a mark and the precision:
| In[3]:= |
Out[3]//InputForm= | |
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Temporarily force machine numbers to be shown with number marks:
| In[1]:= |
| Out[1]= |  |
New in 3
