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Mathematica > Core Language > Defining Variables and Functions > Assignments > PreIncrement (++) >
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PreIncrement

++x
increases the value of x by 1, returning the new value of x.
MORE INFORMATION
  • ++x is equivalent to .
EXAMPLESCLOSE ALL
Basic Examples   (1)
Increment the value by 1 and return the new value:
Increment the value by 1 and return the new value:
In[1]:=
Click for copyable input
Out[1]=
In[2]:=
Click for copyable input
Out[2]=
Scope   (3)
Increment a numerical value:
Increment a symbolic value:
Increment all values in a list:
Applications   (1)
Find the first integer with a certain property:
Properties & Relations   (4)
Increment and PreIncrement differ in the return value of the operation:
PreIncrement is a short form of this assignment:
PreIncrement is a special case of AddTo:
Decrement and PreDecrement are closely related operations:
Possible Issues   (1)
A variable to be incremented must have an initial value:
New in 1
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