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From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: sci.math
Subject: Re: Sign and complex.
Date: Thu, 6 Mar 2025 14:31:11 -0800
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On 3/6/2025 1:05 PM, Richard Hachel wrote:
> Le 06/03/2025 à 21:52, "Chris M. Thomasson" a écrit :
>> On 3/3/2025 4:23 PM, Chris M. Thomasson wrote:
>>> On 3/3/2025 3:58 PM, Richard Hachel wrote:
>>>> Le 04/03/2025 à 00:16, "Chris M. Thomasson" a écrit :
>>> [...]
>>>>>>> Where would you plot say, 1+.5i on the plane? I would say at 2- 
>>>>>>> ary point (1, .5), right where x = 1 and y = .5. Say draw a 
>>>>>>> little filled circle at said coordinates in the 2-ary plane where:
>>>>>>>
>>>>>>>        (+y)
>>>>>>>          ^
>>>>>>>          |
>>>>>>>          |
>>>>>>>          |
>>>>>>> (-x)<---0--->(+x)
>>>>>>>          |
>>>>>>>          |
>>>>>>>          |
>>>>>>>          v
>>>>>>>        (-y)
>>>>>>
>>>>>> <http://nemoweb.net/jntp?myUYryqxSTftKUa3owdcVRxGpRA@jntp/ 
>>>>>> Data.Media:1>
>>>>>>
>>>>>> R.H.
>>>>>
>>>>> So, you try to embed it all in the real line? So, why even have 
>>>>> your y axis showing in your graphic? Show me a single point, color 
>>>>> it yellow, on your real line that shows the plotted point 1+.5i.
>>>>
>>>> Point 1+5i is A(-4,0).
>>>> R.H.
>>>
>>> I said 1+.5i. Where is that?
>>>
>>>
>>
>> Any answer?
> 
> I don't understand your answer.
> What is 1+.5i. ?

Humm... When I see 1+.5i, I think of plotting x, y point (1, .5) on some 
graph paper, a little dot or something where origin would be at point 
(0, 0), or 0+0i.

(1, .5) is x component at 1 and y component at .5. You have used graph 
paper and a ruler before, right?