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DOCUMENTATION CENTER SEARCH
New to
Mathematica
?
Find your learning path
»
Mathematica
>
Core Language
>
Expressions
>
Evaluation Control
>
HoldForm
>
BUILT-IN MATHEMATICA SYMBOL
Evaluation
Non-Standard Evaluation
String-Oriented Output Formats
Tutorials »
|
Hold
Defer
ToString
WriteString
See Also »
|
Evaluation Control
Mathematical Typesetting
More About »
HoldForm
HoldForm
[
expr
]
prints as the expression
expr
, with
expr
maintained in an unevaluated form.
MORE INFORMATION
HoldForm
allows you to see the output form of an expression without evaluating the expression.
HoldForm
has attribute
HoldAll
.
HoldForm
is removed by
ReleaseHold
.
»
EXAMPLES
CLOSE ALL
Basic Examples
(4)
Addition in held form:
An unevaluated assignment:
An unevaluated power:
Evaluate the expression by applying
ReleaseHold
:
Show a formula and its evaluation:
Addition in held form:
In[1]:=
Out[1]=
An unevaluated assignment:
In[1]:=
Out[1]=
An unevaluated power:
In[1]:=
Out[1]=
Evaluate the expression by applying
ReleaseHold
:
In[2]:=
Out[2]=
Show a formula and its evaluation:
In[1]:=
Out[1]=
Scope
(1)
Display a sum of squares in unevaluated form:
Properties & Relations
(1)
HoldForm
displays without a wrapper:
See the
FullForm
expression:
Hold
gives the held expression with a wrapper:
SEE ALSO
Hold
Defer
ToString
WriteString
TUTORIALS
Evaluation
Non-Standard Evaluation
String-Oriented Output Formats
MORE ABOUT
Evaluation Control
Mathematical Typesetting
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