You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

jscalc-0.0.1
0.0.1

This version was deleted from PyPI around 2024-04-15. Installing fails with:
$ pip3 install jscalc-0.0.1==0.0.1 ERROR: Could not find a version that satisfies the requirement jscalc-0.0.1==0.0.1
View other deleted versions of jscalc-0.0.1

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-04-14/ \ jscalc-0.0.1==0.0.1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
jsCalc_0.0.1-0.0.1-py3-none-any.whl (1.5KB)