# Log base 2 in expression

**URL:** <https://forum.inductiveautomation.com/t/log-base-2-in-expression/78021>\
**Category:** Ignition\
**Created:** [August 17, 2023, 6:26pm UTC](https://forum.inductiveautomation.com/t/log-base-2-in-expression/78021 "2023-08-17T18:26:25Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![rfolkes](https://avatars.discourse-cdn.com/v4/letter/r/e95f7d/32.png) [@rfolkes](https://forum.inductiveautomation.com/u/rfolkes)\
**Post date:** [August 17, 2023, 6:26pm UTC](https://forum.inductiveautomation.com/t/log-base-2-in-expression/78021/1 "2023-08-17T18:26:25Z")

</div>

is there a way to do log base 2 in expression without RunScript?

```auto
import math
x = 1024
print int(math.log(x,2))

```

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<div class="post-metadata">

**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [August 17, 2023, 6:33pm UTC](https://forum.inductiveautomation.com/t/log-base-2-in-expression/78021/2 "2023-08-17T18:33:27Z")

</div>

```auto
log(1024)/log(2)

```