# Missing Formula Box in Post Processor

**URL:** <https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510>\
**Category:** Emoncms\
**Created:** [25 March 2019 13:46 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510 "2019-03-25T13:46:48Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Neil](https://community.openenergymonitor.org/letter_avatar_proxy/v4/letter/n/839c29/32.png) [@Neil](https://community.openenergymonitor.org/u/Neil)\
**Post date:** [25 March 2019 13:46 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510/1 "2019-03-25T13:46:48Z")

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I’m trying to use the Post Processor. I believe I’m supposed to see something like this for entering a formula:

 ![38%20AM](https://community.openenergymonitor.org/uploads/default/original/2X/8/8b99c1e2ad3424bafc0862d1d4412c18a54c622f.png)

However, this is what I actually see:

 ![20%20AM](https://community.openenergymonitor.org/uploads/default/original/2X/4/44365a835b1bc50578eccdfe9d2a85e8e1283415.png)

There is no place to enter a formula. Is the Post Processor fully functional or still under development? Is there a guide for using the Post Processor?

Thanks in advance,

Neil

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**Author:** ![Robert.Wall](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/robert.wall/32/38246_2.png) [@Robert.Wall](https://community.openenergymonitor.org/u/Robert.Wall)\
**Post date:** [5 April 2019 21:02 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510/2 "2019-04-05T21:02:57Z")

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Sorry, Neil, but it looks as if your problem has got missed. Unfortunately, I’m not an emonCMS expert so I can’t help you. Hopefully, someone who can help will notice.

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**Author:** ![Neil](https://community.openenergymonitor.org/letter_avatar_proxy/v4/letter/n/839c29/32.png) [@Neil](https://community.openenergymonitor.org/u/Neil)\
**Post date:** [6 April 2019 09:39 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510/3 "2019-04-06T09:39:42Z")

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Thanks Robert,

This is a ‘tinkering’ hobby for me so I don’t have timelines.

I Don’t know how but the missing formula box reappeared. While working on other things, I may have rebooted and later I noticed the formula box had re-appeared. I haven’t been able to find the root cause though.

It’s been a few days now and all seems OK. If I ever find the root cause I’ll post it here.

Best wishes,

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**Author:** ![borpin](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/borpin/32/193_2.png) [@borpin](https://community.openenergymonitor.org/u/borpin)\
**Post date:** [6 April 2019 10:22 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510/4 "2019-04-06T10:22:06Z")

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You sometimes need to force the browser to clear the cache and refresh especially following an update. If odd things like this happen, use a private or incognito page to check for browser cache issues.

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**Author:** ![Bill.Thomson](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/bill.thomson/32/1834_2.png) [@Bill.Thomson](https://community.openenergymonitor.org/u/Bill.Thomson)\
**Post date:** [6 April 2019 18:17 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510/5 "2019-04-06T18:17:35Z")

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_force the browser to clear the cache_

Which can be done via a `CTRL-F5` keystroke.

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**Author:** ![Neil](https://community.openenergymonitor.org/letter_avatar_proxy/v4/letter/n/839c29/32.png) [@Neil](https://community.openenergymonitor.org/u/Neil)\
**Post date:** [7 April 2019 10:42 UTC](https://community.openenergymonitor.org/t/missing-formula-box-in-post-processor/10510/6 "2019-04-07T10:42:01Z")

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Brian and Bill,

Thanks for the responses. I agree and I’ll try your recommendation if it happens again.

Neil