The PyXLL/Jupyter interface would be drab without custom menus and graphical feedback.

Excel Dropdown with NO worksheet data list (with video) Nov 2020
Excel — Use dynamic arrays and conditional formatting to create a selection dependent menu Oct 2020
Though I built this spreadsheet menu using Excel on a desktop machine, the spreadsheet file also works on an iPad ( ! ) and on an iPhone ( !! ).
Microsoft 365 is required.
WT Braces Mar 2020
If you like Table 4-12 in the AISC 15th Edition, then you might like the attached example plots which I built on the same principle.

ASCE 7-16 Ice Loading Apr 2018
Although ice loading is written as a simple formula, the formula varies with structural geometry (W, T, C, etc). I haven’t seen it automated in software.
Biaxial Capacity of Concrete Pedestal Jan 2018
Pedestal Design Data Mx Capacity Chart My Capacity Chart Karl Hoitsma, P.E. (khoitsma)