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Stephen Wolfram
SEARCH MATHEMATICA 8 DOCUMENTATION
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE
DOCUMENTATION CENTER
FOR THE LATEST INFORMATION.
Mathematica
>
Representation of Numbers
>
Built-in
Mathematica
Symbol
Log
MantissaExponent
IntegerExponent
Accuracy
Precision
See Also »
|
Representation of Numbers
More About »
RealExponent
RealExponent
[
x
]
gives
.
RealExponent
[
x
,
b
]
gives
.
MORE INFORMATION
If
x
is an approximate number consistent with zero, then
RealExponent
[
x
]
gives
-
Accuracy
[
x
]
.
For any approximate number
x
,
RealExponent
[
x
]
is equal to
Precision
[
x
]-
Accuracy
[
x
]
.
»
RealExponent
automatically threads over lists.
EXAMPLES
CLOSE ALL
Basic Examples
(1)
The base 10 exponent for a number
:
In[1]:=
Out[1]=
This is the number
such that
:
In[2]:=
Out[2]=
The base 2 exponent:
In[3]:=
Out[3]=
This is the number
such that
:
In[4]:=
Out[4]=
Scope
(8)
Applications
(2)
Properties & Relations
(4)
SEE ALSO
Log
MantissaExponent
IntegerExponent
Accuracy
Precision
MORE ABOUT
Representation of Numbers
New in 6
© 2013 Wolfram Research, Inc.
.
.
EXAMPLES
Basic Examples 
Scope 