is an option for Cell which specifies whether the front end should make a copy of the cell before performing any evaluation of its contents that you request.


CellEvaluationDuplicate
is an option for Cell which specifies whether the front end should make a copy of the cell before performing any evaluation of its contents that you request.
Details

- New cells generated when CellEvaluationDuplicate->True have styles specified by the setting for DefaultDuplicateCellStyle for the notebook.
- CellEvaluationDuplicate is typically set for styles of cells rather than for individual cells.
Examples
Basic Examples (1)
Create an input cell with CellEvaluationDuplicate set to True:
Select Join[{a,b},{c,d}] and use Evaluation ▶ Evaluate in Place to create a new cell:
Tech Notes
Related Guides
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), CellEvaluationDuplicate, Wolfram Language function, https://reference.wolfram.com/language/ref/CellEvaluationDuplicate.html.
CMS
Wolfram Language. 1996. "CellEvaluationDuplicate." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/CellEvaluationDuplicate.html.
APA
Wolfram Language. (1996). CellEvaluationDuplicate. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/CellEvaluationDuplicate.html
BibTeX
@misc{reference.wolfram_2025_cellevaluationduplicate, author="Wolfram Research", title="{CellEvaluationDuplicate}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/CellEvaluationDuplicate.html}", note=[Accessed: 11-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_cellevaluationduplicate, organization={Wolfram Research}, title={CellEvaluationDuplicate}, year={1996}, url={https://reference.wolfram.com/language/ref/CellEvaluationDuplicate.html}, note=[Accessed: 11-August-2025]}