is an option for objects such as Button, Dynamic, and Cell that gives the name of the kernel to use to evaluate their contents.


  • The default setting is typically Evaluator->"Local".
  • Evaluator->None specifies that no evaluation should be done.
  • Evaluator is more often set at a global level or at the level of whole notebooks than at the level of individual cells or other objects.


Basic Examples  (1)

Create input cells with different Evaluator settings:

The first cell has no evaluator; the second cell uses the evaluator named "Local":

Introduced in 1996