This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Display of Numbers
Mathematica provides flexible mechanisms for full typeset formatting of numbers of any magnitude and precision, to optimize readability, portability and external compatibility.
NumberForm general control of number display
PaddedForm insert padding to align numbers
    
ScientificForm scientific notation
EngineeringForm engineering notation
InputForm, OutputForm plain text versions of numbers
CForm, FortranForm C and Fortran-like "E" notation
AccountingForm negative numbers in (...), etc.
    
BaseForm display in base b
    
NumberMarks option to include precision information with ` marks
$NumberMarks globally determine whether to use ` marks for number portability
    
N compute to specified precision
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