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Testing Expressions
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Built-in
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Symbol
Putting Constraints on Patterns
Types of Numbers
Integer and Number Theoretic Functions
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IntegerQ
OddQ
TrueQ
Divisible
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Integer Functions
Testing Expressions
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EvenQ
EvenQ
[
expr
]
gives
True
if
expr
is an even integer, and
False
otherwise.
MORE INFORMATION
EvenQ
[
expr
]
returns
False
unless
expr
is manifestly an even integer (i.e., has head
Integer
, and is even).
EXAMPLES
CLOSE ALL
Basic Examples
(2)
Test whether 8 is even:
In[1]:=
Out[1]=
EvenQ
gives
False
for non-numeric expressions:
In[1]:=
Out[1]=
Applications
(1)
Properties & Relations
(3)
Possible Issues
(1)
SEE ALSO
IntegerQ
OddQ
TrueQ
Divisible
TUTORIALS
Putting Constraints on Patterns
Types of Numbers
Integer and Number Theoretic Functions
MORE ABOUT
Integer Functions
Testing Expressions
New in 1
© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Applications 