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$MaxPrecision

$MaxPrecision
gives the maximum number of digits of precision to be allowed in arbitrary-precision numbers.
  • $MaxPrecision=Infinity uses the maximum value possible on a particular computer system, given roughly by Log[10, $MaxNumber].
  • $MaxPrecision is measured in decimal digits, and need not be an integer.
Limit a calculation to use at most 100 digits of precision:
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Do a computation with fixed 24 digit precision:
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