I threw together a logarithmic slider for HTML (when I knew little about JavaScript and HTML). I hoped someone would take it and run with it and we would see more logarithmic slide rule calculators on the web.

(Top, yellow slider, cannot be interacted with):

https://www.engineersneedart.com/ohmslaw/index.html

Sources (such as they are):

https://github.com/EngineersNeedArt/SlideRule