How to deploy a JS calculator in DX APM ?
DX Application Performance Management 21.3.1
You can append "/extensions" to the APM URL like: https://apmgw.foobar.com/1/apm/atc/#/extensions
then you will be able to upload, download, delete and edit all your JS calculators.
Here is an example:
NOTE: In SaaS, there is already an option to access the extensions page