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$MinNumber

$MinNumber
gives the magnitude of the minimum positive arbitrary-precision number that can be represented on a particular computer system.
  • A typical value for $MinNumber is around 10-646456888.
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Basic Examples   (2)
The nonzero number of minimum magnitude representable on this computer system:
In[1]:=
Click for copyable input
Out[1]=
 
Smaller numbers yield underflows:
In[1]:=
Click for copyable input
Out[1]=
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