Fairly recent as it carries a 2018 copyright tag on it and a nice tool. Fairly comprehensive Electronics Calculators by good ole Al Malvino.
http://malvino.com/http://malvino.com/
http://malvino.com/http://malvino.com/
No problem.Looks like it was taken down and I can't find any new link to them. Shame, they were some good utilities.
Thank you very much for your attention.Archive.org apparently reorganized and a lot that used to be there is gone. Try: PDF Drive - Search and download PDF files for free.
by Duane Benson
by Jake Hertz
by Jake Hertz