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→Just a thought: we use ''2'' for two, but ii, β, ||, etc. have accomplished the same goal
:"it works ..." ''at what''? Using "i" as an exponent may have value to the extent that any orthogonal coordinates have value, but it could be "j" or "k" to accomplish the same goal.--[[User:Aschlafly|Andy Schlafly]] ([[User talk:Aschlafly|talk]]) 18:49, 17 August 2015 (EDT)
:"it works ..." ''at what''? Using "i" as an exponent may have value to the extent that any orthogonal coordinates have value, but it could be "j" or "k" to accomplish the same goal.--[[User:Aschlafly|Andy Schlafly]] ([[User talk:Aschlafly|talk]]) 18:49, 17 August 2015 (EDT)
::*it works at - e.g. - complex analysis - which allows interesting answers to many questions
::*well, in electrical engineering ''it generally is'' ''j'': is this the reason for your confusion?
::*Amusingly, you don't use ''i'' as an exponent at first: you put it into the series which defines exp(x), and there it is used as the base with non-negative integers as exponents.
::*we use ''2'' for two, but ii, β, ||, etc. have accomplished the same goal.
::--[[User:AugustO|AugustO]] ([[User talk:AugustO|talk]]) 07:28, 18 August 2015 (EDT)
===Just two more thoughts===
===Just two more thoughts===