# Expression Binding Syntax

**URL:** <https://forum.inductiveautomation.com/t/expression-binding-syntax/82864>\
**Category:** Ignition\
**Created:** [December 7, 2023, 8:58pm UTC](https://forum.inductiveautomation.com/t/expression-binding-syntax/82864 "2023-12-07T20:58:46Z")\
**Posts on this page:** 1\
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**Author:** ![Transistor](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/transistor/32/3380_2.png) [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\
**Post date:** [December 7, 2023, 9:13pm UTC](https://forum.inductiveautomation.com/t/expression-binding-syntax/82864/2 "2023-12-07T21:13:04Z")

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The `power` operator:

- Python: `**`.
- Expression language: `^`.

[https://docs.inductiveautomation.com/display/DOC81/Expression+Language+and+Syntax#ExpressionLanguageandSyntax-Operators](https://docs.inductiveautomation.com/display/DOC81/Expression+Language+and+Syntax#ExpressionLanguageandSyntax-Operators)

You copied the syntax from [my answer to your previous question](https://forum.inductiveautomation.com/t/issue-writing-value-to-tag-in-script/82745/3) but that was a script, not an expression.

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