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From: horner@hpdtczb.HP.COM (James G Horner)
Newsgroups: sci.electronics
Subject: Re: Why sqrt(-1)=j and not sqrt(-1)=i
Message-ID: <1310041@hpdtczb.HP.COM>
Date: 1 May 91 19:52:49 GMT
References: <1139@helps.cactus.org>
Organization: HP Design Tech Center - Santa Clara, CA
Lines: 18

>
>In math the sqrt(-1) is representated by the letter i.  In electronics
>why is the letter j used to represent the square root of -1?
>
>Thanks for any replies, posted or Emailed.
>
>---
>
>James Howard          Howard Electronic Laboratories Products & Services
>AA5R           cs.utexas.edu!helps!jhoward  or  jhoward@helps.cactus.org


	According     to    my     old     college     circuit     book,
	_Engineering_Circuit_Analysis,  by Hayt and  Kemmerly,  the j is
	used to prevent confusion with the symbol for current, i.


	Jim Horner