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

tkcalc
1.3.11

This version was deleted from PyPI around 2024-06-27. Installing fails with:
$ pip3 install tkcalc==1.3.11 ERROR: Could not find a version that satisfies the requirement tkcalc==1.3.11
View other deleted versions of tkcalc

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/2024-06-26/ \ tkcalc==1.3.11
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Or, download files manually

And install manually via pip:
tkcalc-1.3.11-py3-none-any.whl (5.3KB)
tkcalc-1.3.11.tar.gz (2.9KB)