This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Postfix

Postfix[f[expr]]
prints with f[expr] given in default postfix form: expr//f.
Postfix[f[expr], h]
prints as exprh.
  • Postfix[expr, h, precedence, grouping] can be used to specify how the output form should be parenthesized.
Display f[x] in postfix form:
Use a special character as a postfix operator:
Display f[x] in postfix form:
In[1]:=
Click for copyable input
Out[1]=
 
Use a special character as a postfix operator:
In[1]:=
Click for copyable input
Out[1]=
New in 1