Postfix
Examples
open all close allBasic Examples (2)
Display f[x] in postfix form:
Use a special character as a postfix operator:
Possible Issues (1)
The output from Postfix contains invisible tagging that preserves its meaning:
Copying the output and using it in a input cell produces the same result:
Typing in a visually identical result from scratch will produce a different result:
See Also
Tech Notes
Related Guides
History
Introduced in 1988 (1.0)
Text
Wolfram Research (1988), Postfix, Wolfram Language function, https://reference.wolfram.com/language/ref/Postfix.html.
CMS
Wolfram Language. 1988. "Postfix." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Postfix.html.
APA
Wolfram Language. (1988). Postfix. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Postfix.html
BibTeX
@misc{reference.wolfram_2025_postfix, author="Wolfram Research", title="{Postfix}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/Postfix.html}", note=[Accessed: 18-November-2025]}
BibLaTeX
@online{reference.wolfram_2025_postfix, organization={Wolfram Research}, title={Postfix}, year={1988}, url={https://reference.wolfram.com/language/ref/Postfix.html}, note=[Accessed: 18-November-2025]}